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.

A241864 Number of compositions of n such that the smallest part has multiplicity four.

Table of values

n a(n)
4 1
5 0
6 5
7 5
8 21
9 35
10 85
11 175
12 366
13 730
14 1481
15 2925
16 5726
17 11110
18 21375
19 40766
20 77266
21 145495
22 272290
23 506836
24 938783
25 1730725
26 3176920
27 5808020
28 10578162
29 19197898
30 34725765
31 62616485
32 112574807
33 201827366
34 360885835
35 643679795
36 1145341756
37 2033369086

List of values

[1, 0, 5, 5, 21, 35, 85, 175, 366, 730, 1481, 2925, 5726, 11110, 21375, 40766, 77266, 145495, 272290, 506836, 938783, 1730725, 3176920, 5808020, 10578162, 19197898, 34725765, 62616485, 112574807, 201827366, 360885835, 643679795, 1145341756, 2033369086]

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

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