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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.

A371386 Expansion of (1/x) * Series_Reversion( x * (1-4*x)^2 / (1-x) ).

Table of values

n a(n)
0 1
1 7
2 89
3 1391
4 24209
5 450231
6 8759337
7 176071263
8 3627907745
9 76217773799
10 1626477863801
11 35158334302927
12 768222871584817
13 16940297062253719
14 376507441510456905
15 8425543117906277055
16 189683436162271517505
17 4293057440192560395207

List of values

[1, 7, 89, 1391, 24209, 450231, 8759337, 176071263, 3627907745, 76217773799, 1626477863801, 35158334302927, 768222871584817, 16940297062253719, 376507441510456905, 8425543117906277055, 189683436162271517505, 4293057440192560395207]

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

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