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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.

A304642 G.f. A(x) satisfies: 1 = Sum_{n>=0} ( (1+x)^(n+1) - A(x) )^n.

Table of values

n a(n)
0 1
1 2
2 2
3 10
4 112
5 1670
6 30682
7 663606
8 16443254
9 458349374
10 14184612446
11 482476888374
12 17892738705864
13 718662489646314
14 31085968593760190
15 1441017859748316954
16 71281146361450601326
17 3748236082140499881942
18 208808936226479892694126
19 12286084218797404915838902
20 761413942238514103243322732
21 49577303456014047226843229946
22 3383829651598944830489407813422

List of values

[1, 2, 2, 10, 112, 1670, 30682, 663606, 16443254, 458349374, 14184612446, 482476888374, 17892738705864, 718662489646314, 31085968593760190, 1441017859748316954, 71281146361450601326, 3748236082140499881942, 208808936226479892694126, 12286084218797404915838902, 761413942238514103243322732, 49577303456014047226843229946, 3383829651598944830489407813422]

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

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