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.

A245931 G.f.: 1 / sqrt( AGM((1 - 3*x)^2, (1 + x)^2) ).

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 3
5 11
6 31
7 71
8 157
9 397
10 1141
11 3301
12 9079
13 24207
14 65339
15 182131
16 517307
17 1467067
18 4128859
19 11606683
20 32835433
21 93588097
22 267745149
23 766331573
24 2193690811
25 6289737611
26 18081071971
27 52099389811
28 150344751721
29 434277817873
30 1255708046341
31 3635404626381
32 10538677900781
33 30585912440557

List of values

[1, 1, 1, 1, 3, 11, 31, 71, 157, 397, 1141, 3301, 9079, 24207, 65339, 182131, 517307, 1467067, 4128859, 11606683, 32835433, 93588097, 267745149, 766331573, 2193690811, 6289737611, 18081071971, 52099389811, 150344751721, 434277817873, 1255708046341, 3635404626381, 10538677900781, 30585912440557]

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

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