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.

A224810 Subsets of {1,2,...,n-6} without differences equal to 3 or 6.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 1
6 1
7 2
8 4
9 8
10 12
11 18
12 27
13 36
14 48
15 64
16 96
17 144
18 216
19 324
20 486
21 729
22 1053
23 1521
24 2197
25 3211
26 4693
27 6859
28 10108
29 14896
30 21952
31 32144
32 47068
33 68921
34 100860
35 147600
36 216000
37 316800
38 464640
39 681472
40 998976

List of values

[1, 1, 1, 1, 1, 1, 1, 2, 4, 8, 12, 18, 27, 36, 48, 64, 96, 144, 216, 324, 486, 729, 1053, 1521, 2197, 3211, 4693, 6859, 10108, 14896, 21952, 32144, 47068, 68921, 100860, 147600, 216000, 316800, 464640, 681472, 998976]