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.

A244721 Number of compositions of n with exactly 9 transitions between different parts.

Table of values

n a(n)
15 2
16 28
17 210
18 1158
19 5112
20 19206
21 63494
22 189092
23 516528
24 1310128
25 3119942
26 7027866
27 15082152
28 30994832
29 61292380
30 117063670
31 216690678
32 389814504
33 683256278
34 1169346934
35 1957831816
36 3212249500
37 5172450680
38 8185057350
39 12743907242
40 19544000940
41 29551096298

List of values

[2, 28, 210, 1158, 5112, 19206, 63494, 189092, 516528, 1310128, 3119942, 7027866, 15082152, 30994832, 61292380, 117063670, 216690678, 389814504, 683256278, 1169346934, 1957831816, 3212249500, 5172450680, 8185057350, 12743907242, 19544000940, 29551096298]

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

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