A367222 - cp's OEIS frontend

A367222 Number of subsets of {1..n} whose cardinality can be written as a nonnegative linear combination of the elements.

n	a(n)
0	1
1	2
2	3
3	6
4	12
5	24
6	49
7	101
8	207
9	422
10	859
11	1747
12	3548
13	7194
14	14565
15	29452
16	59496
17	120086
18	242185
19	488035
20	982672
21	1977166
22	3975508
23	7989147
24	16047464
25	32221270
26	64674453
27	129775774
28	260337978
29	522124197
30	1046911594
31	2098709858
32	4206361369
33	8429033614
34	16887728757
35	33829251009
36	67755866536
37	135687781793
38	271693909435

[1, 2, 3, 6, 12, 24, 49, 101, 207, 422, 859, 1747, 3548, 7194, 14565, 29452, 59496, 120086, 242185, 488035, 982672, 1977166, 3975508, 7989147, 16047464, 32221270, 64674453, 129775774, 260337978, 522124197, 1046911594, 2098709858, 4206361369, 8429033614, 16887728757, 33829251009, 67755866536, 135687781793, 271693909435]

cp's OEIS Frontend

A367222 Number of subsets of {1..n} whose cardinality can be written as a nonnegative linear combination of the elements.

Table of values

List of values