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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.

A115776 Integers i such that 13*i = A048720bi(21,i), but 15*i <> A048720bi(23,i).

Table of values

n a(n)
1 15
2 30
3 31
4 45
5 47
6 60
7 61
8 62
9 63
10 90
11 94
12 95
13 120
14 122
15 124
16 125
17 126
18 127
19 165
20 173
21 175
22 180
23 181
24 188
25 189
26 190
27 191
28 240
29 244
30 245
31 248
32 250
33 252
34 253
35 254
36 255
37 330
38 346
39 350
40 351
41 360
42 362
43 376
44 378
45 380
46 381
47 382
48 383
49 480
50 488
51 490
52 496
53 500

List of values

[15, 30, 31, 45, 47, 60, 61, 62, 63, 90, 94, 95, 120, 122, 124, 125, 126, 127, 165, 173, 175, 180, 181, 188, 189, 190, 191, 240, 244, 245, 248, 250, 252, 253, 254, 255, 330, 346, 350, 351, 360, 362, 376, 378, 380, 381, 382, 383, 480, 488, 490, 496, 500]

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

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