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.

A279283 Self-composition of the tetrahedral (or triangular pyramidal) numbers; g.f.: A(x) = G(G(x)), where G(x) = g.f. of A000292.

Table of values

n a(n)
0 0
1 1
2 8
3 52
4 304
5 1650
6 8492
7 42000
8 201356
9 941367
10 4310480
11 19395042
12 85972228
13 376185250
14 1627518840
15 6971209090
16 29595604656
17 124648174343
18 521225809112
19 2165408553994
20 8942942384500
21 36733935375275
22 150138939637144
23 610840125062072
24 2474686297520984
25 9986301300789540

List of values

[0, 1, 8, 52, 304, 1650, 8492, 42000, 201356, 941367, 4310480, 19395042, 85972228, 376185250, 1627518840, 6971209090, 29595604656, 124648174343, 521225809112, 2165408553994, 8942942384500, 36733935375275, 150138939637144, 610840125062072, 2474686297520984, 9986301300789540]

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

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