A365320 - cp's OEIS frontend

A365320 Number of pairs of distinct positive integers <= n that cannot be linearly combined with nonnegative coefficients to obtain n.

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	2
6	1
7	7
8	5
9	12
10	12
11	27
12	14
13	42
14	36
15	47
16	47
17	83
18	58
19	109
20	80
21	116
22	126
23	172
24	111
25	195
26	192
27	219
28	202
29	294
30	210
31	342
32	286
33	354
34	369
35	409
36	324
37	509
38	480
39	523
40	452
41	640
42	507
43	711
44	622
45	675
46	747
47	865
48	654
49	916
50	842
51	964
52	922
53	1124
54	940
55	1147
56	1029

[0, 0, 0, 0, 0, 2, 1, 7, 5, 12, 12, 27, 14, 42, 36, 47, 47, 83, 58, 109, 80, 116, 126, 172, 111, 195, 192, 219, 202, 294, 210, 342, 286, 354, 369, 409, 324, 509, 480, 523, 452, 640, 507, 711, 622, 675, 747, 865, 654, 916, 842, 964, 922, 1124, 940, 1147, 1029]

cp's OEIS Frontend

A365320 Number of pairs of distinct positive integers <= n that cannot be linearly combined with nonnegative coefficients to obtain n.

Table of values

List of values