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.

A100252 Least square n-gonal number greater than 1, or 0 if none exists.

Table of values

n a(n)
3 36
4 4
5 9801
6 1225
7 81
8 225
9 9
10 0
11 196
12 64
13 36
14 441
15 3025
16 16
17 17689
18 100
19 484
20 0
21 2601
22 729
23 68121
24 225
25 25
26 7225
27 25921
28 81
29 1225
30 203401
31 441
32 1089
33 4761
34 196
35 15376
36 36
37 1936
38 511225
39 784
40 576
41 55071241
42 47089
43 1156
44 256
45 529046001
46 2916
47 1134225

List of values

[36, 4, 9801, 1225, 81, 225, 9, 0, 196, 64, 36, 441, 3025, 16, 17689, 100, 484, 0, 2601, 729, 68121, 225, 25, 7225, 25921, 81, 1225, 203401, 441, 1089, 4761, 196, 15376, 36, 1936, 511225, 784, 576, 55071241, 47089, 1156, 256, 529046001, 2916, 1134225]

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

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