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.

A298858 Number of ordered ways of writing n-th triangular number as a sum of n nonzero triangular numbers.

Table of values

n a(n)
0 1
1 1
2 0
3 0
4 4
5 11
6 86
7 777
8 4670
9 36075
10 279482
11 2345201
12 21247326
13 197065752
14 1983741228
15 20769081251
16 228078253168
17 2604226354265
18 30880251148086
19 379415992755572
20 4818158748326064
21 63116999199457944
22 851467484377802094
23 11811530978240316682
24 168243449082524484856

List of values

[1, 1, 0, 0, 4, 11, 86, 777, 4670, 36075, 279482, 2345201, 21247326, 197065752, 1983741228, 20769081251, 228078253168, 2604226354265, 30880251148086, 379415992755572, 4818158748326064, 63116999199457944, 851467484377802094, 11811530978240316682, 168243449082524484856]

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

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