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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.

A102804 Let f(n) be the minimal number of distinct nonzero tetrahedral numbers that add to n (or -1 if n is not a sum of distinct tetrahedral numbers); sequence gives numbers n for which f(n) = 5.

Table of values

n a(n)
1 106
2 116
3 122
4 153
5 171
6 174
7 191
8 207
9 216
10 219
11 229
12 236
13 238
14 246
15 252
16 267
17 271
18 274
19 283
20 298
21 319
22 329
23 336
24 338
25 355
26 357
27 367
28 382
29 383
30 393
31 401
32 408
33 414
34 432
35 433
36 435
37 437
38 438
39 447
40 454
41 467
42 474
43 477
44 492
45 499
46 513
47 518
48 528

List of values

[106, 116, 122, 153, 171, 174, 191, 207, 216, 219, 229, 236, 238, 246, 252, 267, 271, 274, 283, 298, 319, 329, 336, 338, 355, 357, 367, 382, 383, 393, 401, 408, 414, 432, 433, 435, 437, 438, 447, 454, 467, 474, 477, 492, 499, 513, 518, 528]

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

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