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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.

A279256 Numerators of coefficients in expansion of (e^x)/(1 + cos(sqrt(x))).

Table of values

n a(n)
0 1
1 5
2 19
3 977
4 4469
5 214171
6 457321
7 925684673
8 4949391841
9 493402195453
10 14167601252171
11 57190922263627
12 69165140252515309
13 11615975003110672871
14 547719474074019696919
15 54367007962729782596209
16 6786547315820425430115737
17 1769764154745747063102330217

List of values

[1, 5, 19, 977, 4469, 214171, 457321, 925684673, 4949391841, 493402195453, 14167601252171, 57190922263627, 69165140252515309, 11615975003110672871, 547719474074019696919, 54367007962729782596209, 6786547315820425430115737, 1769764154745747063102330217]

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

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