cp's OEIS Frontend

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.

A349204 a(n) = A065176(n + 2) * n! * [x^n](exp(x) / (1 + cos(x))).

Table of values

n a(n)
0 1
1 1
2 3
3 5
4 5
5 11
6 111
7 305
8 235
9 781
10 5733
11 22475
12 48065
13 217751
14 8527167
15 43899265
16 30286495
17 174772921
18 2148821763
19 13744073645
20 46580213525
21 327156548291
22 9697877988981
23 74211034240235
24 149247386387155
25 1236079055785861
26 21456247956983193
27 191231275195061015

List of values

[1, 1, 3, 5, 5, 11, 111, 305, 235, 781, 5733, 22475, 48065, 217751, 8527167, 43899265, 30286495, 174772921, 2148821763, 13744073645, 46580213525, 327156548291, 9697877988981, 74211034240235, 149247386387155, 1236079055785861, 21456247956983193, 191231275195061015]

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

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