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.

A317781 Number of binary words of length n containing exactly two (possibly overlapping) occurrences of the subword 01101.

Table of values

n a(n)
8 1
9 4
10 13
11 35
12 92
13 230
14 562
15 1333
16 3106
17 7114
18 16090
19 35968
20 79637
21 174812
22 380903
23 824469
24 1774122
25 3797436
26 8089574
27 17158409
28 36250415
29 76309260
30 160102335
31 334877607
32 698461293
33 1452964434
34 3015112497
35 6242510786
36 12896941964
37 26591579894
38 54724833014

List of values

[1, 4, 13, 35, 92, 230, 562, 1333, 3106, 7114, 16090, 35968, 79637, 174812, 380903, 824469, 1774122, 3797436, 8089574, 17158409, 36250415, 76309260, 160102335, 334877607, 698461293, 1452964434, 3015112497, 6242510786, 12896941964, 26591579894, 54724833014]

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

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