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.

A242845 Number of compositions of n with difference 5 between the number of odd parts and the number of even parts, both counted without multiplicity.

Table of values

n a(n)
25 120
26 360
27 960
28 2400
29 5364
30 11520
31 23904
32 48000
33 94308
34 181824
35 344832
36 643104
37 1186224
38 2169048
39 3928932
40 7096092
41 12764310
42 22970448
43 41423646
44 75112044
45 137278356
46 253642356
47 474883278
48 902578368
49 1743300754
50 3421941228
51 6820887514
52 13784976732
53 28189089684

List of values

[120, 360, 960, 2400, 5364, 11520, 23904, 48000, 94308, 181824, 344832, 643104, 1186224, 2169048, 3928932, 7096092, 12764310, 22970448, 41423646, 75112044, 137278356, 253642356, 474883278, 902578368, 1743300754, 3421941228, 6820887514, 13784976732, 28189089684]

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

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