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.

A230289 Let m = n-th number not divisible by 3 (A001651); a(n) = position of m in A065075, or -1 if never appears in A065075.

Table of values

n a(n)
1 1
2 3
3 4
4 7
5 6
6 5
7 8
8 9
9 10
10 13
11 24
12 41
13 26
14 51
15 64
16 151
17 276
18 335
19 446
20 219
21 550
22 451
23 1674
24 1685
25 2192
26 2667
27 9220
28 17647
29 3972
30 9221
31 17648
32 25311
33 35776
34 25339
35 147018
36 112397
37 146972
38 212667
39 243892
40 243871
41 963024
42 1263521
43 1838078
44 2380569
45 2380378

List of values

[1, 3, 4, 7, 6, 5, 8, 9, 10, 13, 24, 41, 26, 51, 64, 151, 276, 335, 446, 219, 550, 451, 1674, 1685, 2192, 2667, 9220, 17647, 3972, 9221, 17648, 25311, 35776, 25339, 147018, 112397, 146972, 212667, 243892, 243871, 963024, 1263521, 1838078, 2380569, 2380378]