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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.

A026625 a(n) = Sum_{k=0..floor(n/2)} A026615(n-k,k).

Table of values

n a(n)
0 1
1 1
2 2
3 4
4 7
5 13
6 21
7 36
8 58
9 96
10 155
11 253
12 409
13 664
14 1074
15 1740
16 2815
17 4557
18 7373
19 11932
20 19306
21 31240
22 50547
23 81789
24 132337
25 214128
26 346466
27 560596
28 907063
29 1467661
30 2374725
31 3842388
32 6217114
33 10059504
34 16276619
35 26336125
36 42612745
37 68948872
38 111561618

List of values

[1, 1, 2, 4, 7, 13, 21, 36, 58, 96, 155, 253, 409, 664, 1074, 1740, 2815, 4557, 7373, 11932, 19306, 31240, 50547, 81789, 132337, 214128, 346466, 560596, 907063, 1467661, 2374725, 3842388, 6217114, 10059504, 16276619, 26336125, 42612745, 68948872, 111561618]

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

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