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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A000320 Generalized tangent numbers d(5,n).

Table of values

n a(n)
1 4
2 272
3 55744
4 23750912
5 17328937984
6 19313964388352
7 30527905292468224
8 64955605537174126592
9 179013508069217017790464
10 620314831396713435870789632
11 2639743384489464189324523208704
12 13533573366345611477262311433961472
13 82274260343572247169162187576069586944

List of values

[4, 272, 55744, 23750912, 17328937984, 19313964388352, 30527905292468224, 64955605537174126592, 179013508069217017790464, 620314831396713435870789632, 2639743384489464189324523208704, 13533573366345611477262311433961472, 82274260343572247169162187576069586944]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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