A066062 - cp's OEIS frontend

A066062 Number of subsets S of T={0,1,2,...,n} such that each element of T is the sum of two (not necessarily distinct) elements of S.

n	a(n)
0	1
1	1
2	2
3	3
4	6
5	10
6	20
7	37
8	73
9	139
10	275
11	533
12	1059
13	2075
14	4126
15	8134
16	16194
17	32058
18	63910
19	126932
20	253252
21	503933
22	1006056
23	2004838
24	4004124
25	7987149
26	15957964
27	31854676
28	63660327
29	127141415
30	254136782
31	507750109
32	1015059238
33	2028564292
34	4055812657
35	8107052520

[1, 1, 2, 3, 6, 10, 20, 37, 73, 139, 275, 533, 1059, 2075, 4126, 8134, 16194, 32058, 63910, 126932, 253252, 503933, 1006056, 2004838, 4004124, 7987149, 15957964, 31854676, 63660327, 127141415, 254136782, 507750109, 1015059238, 2028564292, 4055812657, 8107052520]

cp's OEIS Frontend

A066062 Number of subsets S of T={0,1,2,...,n} such that each element of T is the sum of two (not necessarily distinct) elements of S.

Table of values

List of values