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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.

A369214 Expansion of (1/x) * Series_Reversion( x * ((1-x)^2-x^3) ).

Table of values

n a(n)
0 1
1 2
2 7
3 31
4 155
5 833
6 4696
7 27393
8 163944
9 1001022
10 6211049
11 39048685
12 248213672
13 1592561156
14 10300192220
15 67083304750
16 439571860881
17 2895898913453
18 19169805142929
19 127442939722175
20 850536450459795
21 5696270624620125
22 38271171118343550

List of values

[1, 2, 7, 31, 155, 833, 4696, 27393, 163944, 1001022, 6211049, 39048685, 248213672, 1592561156, 10300192220, 67083304750, 439571860881, 2895898913453, 19169805142929, 127442939722175, 850536450459795, 5696270624620125, 38271171118343550]

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

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