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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.

A242508 Number of compositions of n, where the difference between the number of odd parts and the number of even parts is 10.

Table of values

n a(n)
10 1
11 0
12 10
13 12
14 55
15 144
16 311
17 936
18 1989
19 4928
20 11557
21 25340
22 59025
23 128576
24 283100
25 620976
26 1327258
27 2862528
28 6080645
29 12845064
30 27102284
31 56625624
32 118144679
33 245331648
34 507035957
35 1045854240
36 2148159266
37 4400962876
38 8993987459
39 18326508928
40 37269909849

List of values

[1, 0, 10, 12, 55, 144, 311, 936, 1989, 4928, 11557, 25340, 59025, 128576, 283100, 620976, 1327258, 2862528, 6080645, 12845064, 27102284, 56625624, 118144679, 245331648, 507035957, 1045854240, 2148159266, 4400962876, 8993987459, 18326508928, 37269909849]

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

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