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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.

A292759 Expansion of e.g.f. exp(x)*(tan x + sec x)^3.

Table of values

n a(n)
0 1
1 4
2 16
3 67
4 304
5 1519
6 8386
7 51007
8 340024
9 2469859
10 19438606
11 164899447
12 1500636844
13 14587478299
14 150891959026
15 1655133221887
16 19192311085264
17 234597922978339
18 3015167371458646
19 40651421300224327
20 573707768015267284
21 8458761578948943979
22 130059537979390701466

List of values

[1, 4, 16, 67, 304, 1519, 8386, 51007, 340024, 2469859, 19438606, 164899447, 1500636844, 14587478299, 150891959026, 1655133221887, 19192311085264, 234597922978339, 3015167371458646, 40651421300224327, 573707768015267284, 8458761578948943979, 130059537979390701466]

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

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