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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.

A349566 Dirichlet convolution of A011782 (2^(n-1)) with A349451 (Dirichlet inverse of Fibonacci numbers).

Table of values

n a(n)
1 1
2 1
3 2
4 4
5 11
6 20
7 51
8 100
9 218
10 441
11 935
12 1862
13 3863
14 7751
15 15742
16 31648
17 63939
18 128180
19 257963
20 516974
21 1037502
22 2078417
23 4165647
24 8339900
25 16702136
26 33428943
27 66911942
28 133891584
29 267921227
30 536021340
31 1072395555
32 2145272320
33 4291440670
34 8584166169
35 17170641321
36 34344672290
37 68695318919
38 137399603159
39 274814652766

List of values

[1, 1, 2, 4, 11, 20, 51, 100, 218, 441, 935, 1862, 3863, 7751, 15742, 31648, 63939, 128180, 257963, 516974, 1037502, 2078417, 4165647, 8339900, 16702136, 33428943, 66911942, 133891584, 267921227, 536021340, 1072395555, 2145272320, 4291440670, 8584166169, 17170641321, 34344672290, 68695318919, 137399603159, 274814652766]

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

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