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.

A279846 Numbers that are centered k-gonal numbers for three or more values of k.

Table of values

n a(n)
1 1
2 31
3 37
4 43
5 46
6 61
7 67
8 73
9 79
10 85
11 91
12 106
13 109
14 121
15 127
16 133
17 136
18 145
19 151
20 157
21 166
22 169
23 181
24 199
25 211
26 217
27 226
28 232
29 235
30 241
31 253
32 265
33 271
34 274
35 277
36 289
37 295
38 301
39 307
40 313
41 316
42 325
43 331
44 337
45 343
46 361
47 379
48 391
49 397
50 406
51 409
52 421
53 433
54 451
55 463
56 469
57 481
58 496
59 505
60 511

List of values

[1, 31, 37, 43, 46, 61, 67, 73, 79, 85, 91, 106, 109, 121, 127, 133, 136, 145, 151, 157, 166, 169, 181, 199, 211, 217, 226, 232, 235, 241, 253, 265, 271, 274, 277, 289, 295, 301, 307, 313, 316, 325, 331, 337, 343, 361, 379, 391, 397, 406, 409, 421, 433, 451, 463, 469, 481, 496, 505, 511]

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

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