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.

A242501 Number of compositions of n, where the difference between the number of odd parts and the number of even parts is 3.

Table of values

n a(n)
3 1
4 0
5 3
6 5
7 6
8 25
9 31
10 75
11 162
12 259
13 609
14 1106
15 2122
16 4410
17 8076
18 16197
19 31527
20 59961
21 118844
22 227700
23 441507
24 860860
25 1654731
26 3218501
27 6226818
28 12027405
29 23337471
30 45082050
31 87258876
32 168935018
33 326536646
34 632132760
35 1222716653
36 2364969824
37 4576680195

List of values

[1, 0, 3, 5, 6, 25, 31, 75, 162, 259, 609, 1106, 2122, 4410, 8076, 16197, 31527, 59961, 118844, 227700, 441507, 860860, 1654731, 3218501, 6226818, 12027405, 23337471, 45082050, 87258876, 168935018, 326536646, 632132760, 1222716653, 2364969824, 4576680195]

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

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