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.

A261442 Number of binary strings of length n+6 such that the smallest number whose binary representation is not visible in the string is 6.

Table of values

n a(n)
0 0
1 2
2 6
3 15
4 32
5 64
6 120
7 218
8 385
9 668
10 1142
11 1933
12 3245
13 5415
14 8992
15 14876
16 24534
17 40362
18 66263
19 108597
20 177714
21 290454
22 474195
23 773433
24 1260447
25 2052608
26 3340437
27 5433105
28 8832176
29 14351131
30 23309037
31 37844339
32 61423189
33 99662849
34 161665292
35 262176955

List of values

[0, 2, 6, 15, 32, 64, 120, 218, 385, 668, 1142, 1933, 3245, 5415, 8992, 14876, 24534, 40362, 66263, 108597, 177714, 290454, 474195, 773433, 1260447, 2052608, 3340437, 5433105, 8832176, 14351131, 23309037, 37844339, 61423189, 99662849, 161665292, 262176955]