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.

A373711 Numbers that are simultaneously k-gonal and k-gonal pyramidal for some k >= 3.

Table of values

n a(n)
1 0
2 1
3 10
4 120
5 175
6 441
7 946
8 1045
9 1540
10 4900
11 5985
12 7140
13 23001
14 23725
15 48280
16 195661
17 245905
18 314755
19 801801
20 975061
21 1169686
22 3578401
23 10680265
24 27453385
25 55202400
26 63016921
27 101337426
28 132361021
29 197427385
30 258815701
31 432684460
32 477132085
33 837244045

List of values

[0, 1, 10, 120, 175, 441, 946, 1045, 1540, 4900, 5985, 7140, 23001, 23725, 48280, 195661, 245905, 314755, 801801, 975061, 1169686, 3578401, 10680265, 27453385, 55202400, 63016921, 101337426, 132361021, 197427385, 258815701, 432684460, 477132085, 837244045]

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

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