A346116 - cp's OEIS frontend

A346116 a(1) = a(2) = 1; a(n+2) = 1 + Sum_{d|n} a(n/d) * a(d).

n	a(n)
1	1
2	1
3	2
4	3
5	5
6	8
7	11
8	21
9	23
10	49
11	51
12	109
13	103
14	247
15	207
16	517
17	435
18	1086
19	871
20	2251
21	1743
22	4631
23	3531
24	9365
25	7063
26	19081
27	14152
28	38369
29	28397
30	77299
31	56795
32	155289
33	113591
34	311739
35	227387
36	624349
37	454885
38	1251509
39	909771
40	2504761
41	1819955
42	5014529
43	3639911
44	10033709
45	7279823

[1, 1, 2, 3, 5, 8, 11, 21, 23, 49, 51, 109, 103, 247, 207, 517, 435, 1086, 871, 2251, 1743, 4631, 3531, 9365, 7063, 19081, 14152, 38369, 28397, 77299, 56795, 155289, 113591, 311739, 227387, 624349, 454885, 1251509, 909771, 2504761, 1819955, 5014529, 3639911, 10033709, 7279823]

cp's OEIS Frontend

A346116 a(1) = a(2) = 1; a(n+2) = 1 + Sum_{d|n} a(n/d) * a(d).

Table of values

List of values