Leonardo da Pisa, Liber abaci, Ms. Biblioteca Nazionale di Firenze, Codice magliabechiano Conv. Soppr. C 1, 2616, fol. 124r Source: Heinz Lüneburg, Leonardi Pisani Liber Abaci oder Lesevergnügen eines Mathematikers, 2. überarb. und erw. Ausg., Mannheim et al.: BI Wissenschaftsverlag, 1993 I Alternate scan: https://archive.org/details/conventi-soppressi-c.-i.-2616/page/n127/mode/1up

1228.

On the right margin of the page from top to bottom: The position in the sequence labeled in brownish Latin and Roman numerals and the value in red Hindu-Arabic numerals:^[1]
${\displaystyle 𝔭𝔞𝔯𝔦𝔲𝔪}$
    1
${\displaystyle 𝔭𝔯𝔦𝔪𝔲𝔰}$
    2
${\displaystyle 𝔖𝔢𝔠𝔲𝔫𝔡𝔲𝔰}$
    3
${\displaystyle 𝔱𝔢𝔯𝔠𝔦𝔲𝔰}$
    5
${\displaystyle 𝔔𝔲𝔞𝔯𝔱𝔲𝔰}$
    8
${\displaystyle 𝔔𝔲𝔦𝔫𝔱𝔲𝔰}$
    13
${\displaystyle 𝔖𝔢𝔰𝔱𝔲𝔰}$
    21
${\displaystyle 𝔖𝔢𝔭𝔱𝔦𝔪𝔲𝔰}$
    34
${\displaystyle 𝔒𝔠𝔱𝔞𝔲𝔲𝔰}$
    55
${\displaystyle 𝔑𝔬𝔫𝔲𝔰}$
    89
${\displaystyle 𝔛}$
    144
${\displaystyle 𝔛𝔩}$
    233
${\displaystyle 𝔛𝔩𝔩}$
    377

This is a faithful photographic reproduction of a two-dimensional, public domain work of art. The work of art itself is in the public domain for the following reason: Public domainPublic domainfalsefalse This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 100 years or fewer. You must also include a United States public domain tag to indicate why this work is in the public domain in the United States. This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse The official position taken by the Wikimedia Foundation is that "faithful reproductions of two-dimensional public domain works of art are public domain". This photographic reproduction is therefore also considered to be in the public domain in the United States. In other jurisdictions, re-use of this content may be restricted; see Reuse of PD-Art photographs for details.

1. ↑ Liber Abaci in English translation