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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.

A271932 G.f. A(x) satisfies: A(x) = A( x^7 + 7*x*A(x)^7 )^(1/7), with A(0)=0, A'(0)=1.

Table of values

n a(n)
1 1
2 1
3 4
4 20
5 110
6 638
7 3828
8 23515
9 146970
10 930820
11 5957325
12 38452405
13 249944939
14 1634287025
15 10739831400
16 70884562683
17 469622328252
18 3121694320866
19 20811920304961
20 139115729296575
21 932107335003790
22 6258662787526655
23 42105353650697301
24 283765005631661148
25 1915495724241980280
26 12949332513585521217
27 87661142189041380207
28 594176943178375193748
29 4032121696383579351905
30 27392082325012470506385
31 186276500908841717917320

List of values

[1, 1, 4, 20, 110, 638, 3828, 23515, 146970, 930820, 5957325, 38452405, 249944939, 1634287025, 10739831400, 70884562683, 469622328252, 3121694320866, 20811920304961, 139115729296575, 932107335003790, 6258662787526655, 42105353650697301, 283765005631661148, 1915495724241980280, 12949332513585521217, 87661142189041380207, 594176943178375193748, 4032121696383579351905, 27392082325012470506385, 186276500908841717917320]

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