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.

A095870 Least triangular number whose digit permutations yield exactly n further triangular numbers.

Table of values

n a(n)
0 1
1 10
2 120
3 17020
4 20503
5 156520
6 1087075
7 1021735
8 1026028
9 1053426
10 104653
11 10623745
12 10280845
13 1004653
14 10568503
15 10725396
16 10762480
17 12890503
18 10348975
19 10394520
20 101495628
21 100543290
22 102495403
23 100359028
24 104972805
25 124780503

List of values

[1, 10, 120, 17020, 20503, 156520, 1087075, 1021735, 1026028, 1053426, 104653, 10623745, 10280845, 1004653, 10568503, 10725396, 10762480, 12890503, 10348975, 10394520, 101495628, 100543290, 102495403, 100359028, 104972805, 124780503]

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

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