A367223 - cp's OEIS frontend

A367223 Number of subsets of {1..n} whose cardinality cannot be written as a nonnegative linear combination of the elements.

n	a(n)
0	0
1	0
2	1
3	2
4	4
5	8
6	15
7	27
8	49
9	90
10	165
11	301
12	548
13	998
14	1819
15	3316
16	6040
17	10986
18	19959
19	36253
20	65904
21	119986
22	218796
23	399461
24	729752
25	1333162
26	2434411
27	4441954
28	8097478
29	14746715
30	26830230
31	48773790
32	88605927
33	160900978
34	292140427
35	530487359
36	963610200
37	1751171679
38	3183997509

[0, 0, 1, 2, 4, 8, 15, 27, 49, 90, 165, 301, 548, 998, 1819, 3316, 6040, 10986, 19959, 36253, 65904, 119986, 218796, 399461, 729752, 1333162, 2434411, 4441954, 8097478, 14746715, 26830230, 48773790, 88605927, 160900978, 292140427, 530487359, 963610200, 1751171679, 3183997509]

cp's OEIS Frontend

A367223 Number of subsets of {1..n} whose cardinality cannot be written as a nonnegative linear combination of the elements.

Table of values

List of values