A351874 - cp's OEIS frontend

A351874 Number of subsets of {1,2,...,n} such that no two elements differ by 1, 3, or 4.

n	a(n)
0	1
1	2
2	3
3	5
4	7
5	9
6	12
7	16
8	23
9	33
10	47
11	66
12	91
13	126
14	175
15	245
16	344
17	482
18	674
19	940
20	1311
21	1830
22	2557
23	3575
24	4997
25	6982
26	9752
27	13620
28	19025
29	26579
30	37136
31	51885
32	72487
33	101264
34	141463
35	197624
36	276088
37	385711
38	538860
39	752810
40	1051698
41	1469249
42	2052584
43	2867532

[1, 2, 3, 5, 7, 9, 12, 16, 23, 33, 47, 66, 91, 126, 175, 245, 344, 482, 674, 940, 1311, 1830, 2557, 3575, 4997, 6982, 9752, 13620, 19025, 26579, 37136, 51885, 72487, 101264, 141463, 197624, 276088, 385711, 538860, 752810, 1051698, 1469249, 2052584, 2867532]

cp's OEIS Frontend

A351874 Number of subsets of {1,2,...,n} such that no two elements differ by 1, 3, or 4.

Table of values

List of values