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.

A214273 Number of compositions of n where the difference between largest and smallest parts equals 4 and adjacent parts are unequal.

Table of values

n a(n)
5 0
6 2
7 1
8 8
9 12
10 23
11 51
12 90
13 165
14 295
15 550
16 952
17 1682
18 2974
19 5151
20 9007
21 15530
22 26848
23 46194
24 79404
25 136092
26 232622
27 397633
28 677892
29 1154741
30 1964078
31 3337218
32 5664428
33 9605090
34 16274305
35 27548925
36 46602325
37 78775262
38 133073729
39 224662007
40 379067097
41 639250682

List of values

[0, 2, 1, 8, 12, 23, 51, 90, 165, 295, 550, 952, 1682, 2974, 5151, 9007, 15530, 26848, 46194, 79404, 136092, 232622, 397633, 677892, 1154741, 1964078, 3337218, 5664428, 9605090, 16274305, 27548925, 46602325, 78775262, 133073729, 224662007, 379067097, 639250682]

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

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