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.

A136108 The least number k such that there are n different representations of k as the difference of two positive triangular numbers.

Table of values

n a(n)
0 1
1 2
2 5
3 9
4 27
5 45
6 63
7 105
8 135
9 225
10 405
11 630
12 315
13 531441
14 3645
15 1485
16 945
17 4851
18 1575
19 13041
20 2835
21 18225
22 295245
23 4095
24 3465
25 50625
26 2657205
27 11025
28 25515
29 52650
30 14175
31 17955
32 10395
33 1476225
34 215233605
35 97020
36 17325
37 150094635296999121

List of values

[1, 2, 5, 9, 27, 45, 63, 105, 135, 225, 405, 630, 315, 531441, 3645, 1485, 945, 4851, 1575, 13041, 2835, 18225, 295245, 4095, 3465, 50625, 2657205, 11025, 25515, 52650, 14175, 17955, 10395, 1476225, 215233605, 97020, 17325, 150094635296999121]