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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.

A236236 Number of binary words of length n with exactly 7 (possibly overlapping) occurrences of the subword given by the binary expansion of n.

Table of values

n a(n)
15 80
16 0
17 0
18 0
19 0
20 0
21 87
22 0
23 0
24 0
25 0
26 0
27 858
28 0
29 1
30 0
31 9553543
32 0
33 0
34 231
35 0
36 175577
37 10
38 20555
39 316
40 0
41 5410
42 875375903
43 67864
44 144
45 759823240
46 52262378
47 6315688
48 109816
49 51484880
50 1645920
51 14452780616
52 19851392
53 2749811024
54 658923204733
55 434434353500

List of values

[80, 0, 0, 0, 0, 0, 87, 0, 0, 0, 0, 0, 858, 0, 1, 0, 9553543, 0, 0, 231, 0, 175577, 10, 20555, 316, 0, 5410, 875375903, 67864, 144, 759823240, 52262378, 6315688, 109816, 51484880, 1645920, 14452780616, 19851392, 2749811024, 658923204733, 434434353500]

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

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