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.

A241628 Number of compositions of n with exactly three descents.

Table of values

n a(n)
9 3
10 18
11 78
12 264
13 786
14 2097
15 5179
16 11998
17 26400
18 55593
19 112814
20 221639
21 423318
22 788518
23 1436302
24 2564135
25 4494967
26 7750068
27 13160903
28 22039386
29 36434095
30 59514365
31 96139570
32 153699716
33 243345157
34 381779187
35 593848668
36 916277405
37 1403004758
38 2132797015

List of values

[3, 18, 78, 264, 786, 2097, 5179, 11998, 26400, 55593, 112814, 221639, 423318, 788518, 1436302, 2564135, 4494967, 7750068, 13160903, 22039386, 36434095, 59514365, 96139570, 153699716, 243345157, 381779187, 593848668, 916277405, 1403004758, 2132797015]

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

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