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.

A224677 Number of compositions of n*(n+1)/2 into sums of positive triangular numbers.

Table of values

n a(n)
0 1
1 1
2 2
3 7
4 40
5 351
6 4876
7 104748
8 3487153
9 179921982
10 14387581923
11 1783124902639
12 342504341570010
13 101962565961894431
14 47044167891731682278
15 33640402686770010577421
16 37282664267078280296013183
17 64038780633654058635677191329
18 170478465430659361252118580217675

List of values

[1, 1, 2, 7, 40, 351, 4876, 104748, 3487153, 179921982, 14387581923, 1783124902639, 342504341570010, 101962565961894431, 47044167891731682278, 33640402686770010577421, 37282664267078280296013183, 64038780633654058635677191329, 170478465430659361252118580217675]

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

Content is available under The OEIS End-User License Agreement.