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.

A218560 Numbers with d distinct ternary digits (d=1,2,3) such that for each k=1,...,d, some digit occurs exactly k times.

Table of values

n a(n)
1 0
2 1
3 2
4 9
5 10
6 12
7 14
8 16
9 17
10 18
11 20
12 22
13 23
14 24
15 25
16 248
17 250
18 251
19 254
20 257
21 258
22 259
23 262
24 263
25 264
26 265
27 267
28 269
29 272
30 275
31 276
32 277
33 281
34 285
35 287
36 288
37 289
38 291
39 293
40 295
41 296
42 298
43 299
44 300
45 301
46 303
47 305
48 306
49 307
50 309
51 311
52 313
53 314
54 315
55 317
56 319
57 320
58 321
59 322
60 326
61 329
62 330
63 331
64 335

List of values

[0, 1, 2, 9, 10, 12, 14, 16, 17, 18, 20, 22, 23, 24, 25, 248, 250, 251, 254, 257, 258, 259, 262, 263, 264, 265, 267, 269, 272, 275, 276, 277, 281, 285, 287, 288, 289, 291, 293, 295, 296, 298, 299, 300, 301, 303, 305, 306, 307, 309, 311, 313, 314, 315, 317, 319, 320, 321, 322, 326, 329, 330, 331, 335]

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

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