A237638 - cp's OEIS frontend

A237638 a(n) is the number of prime sets such that each set contains enough prime numbers to decompose every even number from 6 to 2n into the sum of two of its elements (reuse allowed), while none of the sets is a subset of another such set.

n	a(n)
3	1
4	1
5	1
6	1
7	1
8	2
9	2
10	3
11	4
12	4
13	5
14	6
15	6
16	9
17	11
18	11
19	11
20	13
21	16
22	23
23	25
24	31
25	47
26	57
27	63
28	70
29	74
30	79
31	82
32	122
33	131
34	129
35	180
36	215
37	219
38	323
39	367
40	446
41	501
42	531
43	661
44	867
45	897
46	1311
47	1471
48	1691
49	1695
50	2130
51	2288
52	2833
53	3363
54	3891
55	5435
56	8068
57	8867
58	13476
59	15451
60	15897

[1, 1, 1, 1, 1, 2, 2, 3, 4, 4, 5, 6, 6, 9, 11, 11, 11, 13, 16, 23, 25, 31, 47, 57, 63, 70, 74, 79, 82, 122, 131, 129, 180, 215, 219, 323, 367, 446, 501, 531, 661, 867, 897, 1311, 1471, 1691, 1695, 2130, 2288, 2833, 3363, 3891, 5435, 8068, 8867, 13476, 15451, 15897]

cp's OEIS Frontend

A237638 a(n) is the number of prime sets such that each set contains enough prime numbers to decompose every even number from 6 to 2n into the sum of two of its elements (reuse allowed), while none of the sets is a subset of another such set.

Table of values

List of values