A318621 - cp's OEIS frontend

A318621 a(0) = a(1) = 1; for n > 1, a(n) = Sum_{k=0..n-2} a(k) OR a(n-k-2).

n	a(n)
0	1
1	1
2	1
3	2
4	3
5	8
6	13
7	30
8	52
9	112
10	217
11	446
12	864
13	1750
14	3469
15	6976
16	13892
17	27828
18	55550
19	111158
20	222224
21	444458
22	888747
23	1777546
24	3554844
25	7109666
26	14218740
27	28437336
28	56874024
29	113747200
30	227493165
31	454985872
32	909968764
33	1819934952
34	3639866058
35	7279725522
36	14559441844

[1, 1, 1, 2, 3, 8, 13, 30, 52, 112, 217, 446, 864, 1750, 3469, 6976, 13892, 27828, 55550, 111158, 222224, 444458, 888747, 1777546, 3554844, 7109666, 14218740, 28437336, 56874024, 113747200, 227493165, 454985872, 909968764, 1819934952, 3639866058, 7279725522, 14559441844]

cp's OEIS Frontend

A318621 a(0) = a(1) = 1; for n > 1, a(n) = Sum_{k=0..n-2} a(k) OR a(n-k-2).

Table of values

List of values