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.

A299031 Number of ordered ways of writing n-th triangular number as a sum of n squares of nonnegative integers.

Table of values

n a(n)
0 1
1 1
2 0
3 3
4 18
5 60
6 252
7 1576
8 10494
9 64152
10 458400
11 3407019
12 27713928
13 225193982
14 1980444648
15 17626414158
16 165796077562
17 1593587604441
18 15985672426992
19 163422639872978
20 1729188245991060
21 18743981599820280
22 208963405365941380
23 2378065667103672024
24 27742569814633730608

List of values

[1, 1, 0, 3, 18, 60, 252, 1576, 10494, 64152, 458400, 3407019, 27713928, 225193982, 1980444648, 17626414158, 165796077562, 1593587604441, 15985672426992, 163422639872978, 1729188245991060, 18743981599820280, 208963405365941380, 2378065667103672024, 27742569814633730608]

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

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