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.

A117511 Triangular numbers for which the sum of the digits equals the sum of the digits of the next triangular number.

Table of values

n a(n)
1 36
2 153
3 2556
4 3240
5 4851
6 5778
7 9045
8 11628
9 13041
10 14535
11 17766
12 19503
13 33930
14 41328
15 46665
16 49455
17 52326
18 71253
19 74691
20 81810
21 85491
22 93096
23 109278
24 122265
25 131328
26 140715
27 145530
28 160461
29 170820
30 181503
31 186966
32 192510
33 203841
34 252405
35 258840
36 265356

List of values

[36, 153, 2556, 3240, 4851, 5778, 9045, 11628, 13041, 14535, 17766, 19503, 33930, 41328, 46665, 49455, 52326, 71253, 74691, 81810, 85491, 93096, 109278, 122265, 131328, 140715, 145530, 160461, 170820, 181503, 186966, 192510, 203841, 252405, 258840, 265356]