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Mathematics > Number Theory

arXiv:2301.03149 (math)
[Submitted on 9 Jan 2023]

Title:"A Handbook of Integer Sequences" Fifty Years Later

Authors:N. J. A. Sloane
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    Abstract: Until 1973 there was no database of integer sequences.
    Someone coming across the sequence 1, 2, 4, 9, 21, 51, 127,...
    would have had no way of discovering that it had been studied
    since 1870 (today these are called the Motzkin numbers, and form
    entry A001006 in the database). Everything changed in 1973 with
    the publication of "A Handbook of Integer Sequences", which
    listed 2372 entries. This report describes the fifty-year
    evolution of the database from the "Handbook" to its present form
    as "The On-Line Encyclopedia of Integer Sequences" (or OEIS),
    which contains 360,000 entries, receives a million visits a day,
    and has been cited 10,000 times, often with a comment saying
    "discovered thanks to the OEIS".

Comments:    23 pages, 12 figures
Subjects:    Number Theory (math.NT); Combinatorics (math.CO)
MSC classes: 05-00, 11-00, 11Bxx, 48-00, 68-00
Cite as:     arXiv:2301.03149 [math.NT]
             (or arXiv:2301.03149v1 [math.NT] for this version)
             https://doi.org/10.48550/arXiv.2301.03149
             Focus to learn more
             arXiv-issued DOI via DataCite

Submission history

From: N. J. A. Sloane [view email]
[v1] Mon, 9 Jan 2023 02:24:47 UTC (1,507 KB)
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