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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.

A261475 Number of binary strings of length n+10 such that the smallest number whose binary representation is not visible in the string is 10.

Table of values

n a(n)
0 0
1 2
2 24
3 130
4 471
5 1401
6 3734
7 9258
8 21826
9 49561
10 109261
11 235327
12 497495
13 1035744
14 2129126
15 4330524
16 8729070
17 17460382
18 34695315
19 68549561
20 134764551
21 263788114
22 514366212
23 999590406
24 1936741832
25 3742534848
26 7214885826
27 13879427752
28 26649404779
29 51081190435

List of values

[0, 2, 24, 130, 471, 1401, 3734, 9258, 21826, 49561, 109261, 235327, 497495, 1035744, 2129126, 4330524, 8729070, 17460382, 34695315, 68549561, 134764551, 263788114, 514366212, 999590406, 1936741832, 3742534848, 7214885826, 13879427752, 26649404779, 51081190435]

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

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