A334893 - cp's OEIS frontend

A334893 Number of subsets of [n] avoiding 3-term arithmetic progressions and containing n if n>0.

n	a(n)
0	1
1	1
2	2
3	3
4	6
5	10
6	17
7	25
8	41
9	63
10	109
11	165
12	262
13	412
14	643
15	932
16	1459
17	2163
18	3212
19	4601
20	6817
21	9904
22	14741
23	20906
24	30352
25	43993
26	63540
27	89442
28	132037
29	187587
30	266842
31	378061
32	535907
33	751709
34	1077809
35	1499972
36	2084027
37	2951390
38	4114165
39	5651914
40	7968177

[1, 1, 2, 3, 6, 10, 17, 25, 41, 63, 109, 165, 262, 412, 643, 932, 1459, 2163, 3212, 4601, 6817, 9904, 14741, 20906, 30352, 43993, 63540, 89442, 132037, 187587, 266842, 378061, 535907, 751709, 1077809, 1499972, 2084027, 2951390, 4114165, 5651914, 7968177]

cp's OEIS Frontend

A334893 Number of subsets of [n] avoiding 3-term arithmetic progressions and containing n if n>0.

Table of values

List of values