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.

A321602 G.f. A(x) satisfies: 1 = Sum_{n>=0} ((1+x)^(2*n) - A(x))^n.

Table of values

n a(n)
0 1
1 2
2 5
3 68
4 1521
5 45328
6 1660032
7 71548008
8 3533826841
9 196432984748
10 12128132342482
11 823366216285428
12 60966207548525287
13 4890600994792550264
14 422601696583826709492
15 39142599000082019249968
16 3869325702147169825040193
17 406650337650126697706078146
18 45281361448272561712508294157
19 5325916931170845646048163850556
20 659842223101960470758187538118437

List of values

[1, 2, 5, 68, 1521, 45328, 1660032, 71548008, 3533826841, 196432984748, 12128132342482, 823366216285428, 60966207548525287, 4890600994792550264, 422601696583826709492, 39142599000082019249968, 3869325702147169825040193, 406650337650126697706078146, 45281361448272561712508294157, 5325916931170845646048163850556, 659842223101960470758187538118437]

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

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