A365322 - cp's OEIS frontend

A365322 Number of subsets of {1..n} that cannot be linearly combined using positive coefficients to obtain n.

n	a(n)
0	0
1	1
2	2
3	5
4	11
5	26
6	54
7	116
8	238
9	490
10	994
11	2011
12	4045
13	8131
14	16305
15	32672
16	65412
17	130924
18	261958
19	524066
20	1048301
21	2096826
22	4193904
23	8388135
24	16776641
25	33553759
26	67108053
27	134216782
28	268434324
29	536869595
30	1073740266
31	2147481835
32	4294965158
33	8589932129

[0, 1, 2, 5, 11, 26, 54, 116, 238, 490, 994, 2011, 4045, 8131, 16305, 32672, 65412, 130924, 261958, 524066, 1048301, 2096826, 4193904, 8388135, 16776641, 33553759, 67108053, 134216782, 268434324, 536869595, 1073740266, 2147481835, 4294965158, 8589932129]

cp's OEIS Frontend

A365322 Number of subsets of {1..n} that cannot be linearly combined using positive coefficients to obtain n.

Table of values

List of values