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.

A272823 G.f. satisfies: A(x) = 1 + 4*x*AGM(A(x), A(x)^3).

Table of values

n a(n)
0 1
1 4
2 32
3 336
4 4032
5 52336
6 715392
7 10144192
8 147836416
9 2200709040
10 33319564288
11 511496462656
12 7942988228608
13 124551530359360
14 1969386732874752
15 31364967043386112
16 502686338657607680
17 8101474649157519536
18 131212844750426749696
19 2134554132316280052288
20 34862936239396076532736
21 571454628433830080180288
22 9397626191659208856570880
23 155006334509119865698297600
24 2563700952357088703495372800

List of values

[1, 4, 32, 336, 4032, 52336, 715392, 10144192, 147836416, 2200709040, 33319564288, 511496462656, 7942988228608, 124551530359360, 1969386732874752, 31364967043386112, 502686338657607680, 8101474649157519536, 131212844750426749696, 2134554132316280052288, 34862936239396076532736, 571454628433830080180288, 9397626191659208856570880, 155006334509119865698297600, 2563700952357088703495372800]

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

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