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.

A277311 G.f. satisfies: A(x - 5*A(x)^2) = x - 4*A(x)^2.

Table of values

n a(n)
1 1
2 1
3 12
4 200
5 4034
6 92752
7 2353272
8 64579809
9 1891598860
10 58591554652
11 1906271367296
12 64816527248936
13 2294331974613872
14 84290267670946720
15 3206227129084419920
16 126022120854865417140
17 5110001578581607976400
18 213458728365617240931360
19 9175021814527973211291880
20 405366362599820848509766760
21 18392202994173383123235536800
22 856255190568423353781484124240

List of values

[1, 1, 12, 200, 4034, 92752, 2353272, 64579809, 1891598860, 58591554652, 1906271367296, 64816527248936, 2294331974613872, 84290267670946720, 3206227129084419920, 126022120854865417140, 5110001578581607976400, 213458728365617240931360, 9175021814527973211291880, 405366362599820848509766760, 18392202994173383123235536800, 856255190568423353781484124240]

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

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