A305579 - cp's OEIS frontend

A305579 Square array read by antidiagonals upwards in which row k has k as its first term and each subsequent term is the least possible value such that the sum of any 2 or more terms does not equal a prime.

n	a(n)
1	1
2	2
3	3
4	3
5	4
6	5
7	4
8	5
9	6
10	87
11	5
12	5
13	7
14	8
15	87
16	6
17	7
18	11
19	83
20	10
21	1151
22	7
23	8
24	9
25	29
26	235
27	12
28	5371
29	8
30	8
31	10
32	79
33	215
34	395
35	14
36	199276
37	9
38	10
39	13
40	12
41	131
42	511
43	5275
44	16
45	32281747
46	10
47	11
48	12
49	37
50	14
51	196
52	8729
53	76128
54	18
55	16946784207
56	11
57	11
58	13
59	14
60	67
61	16
62	3983
63	20526
64	9782734
65	20

[1, 2, 3, 3, 4, 5, 4, 5, 6, 87, 5, 5, 7, 8, 87, 6, 7, 11, 83, 10, 1151, 7, 8, 9, 29, 235, 12, 5371, 8, 8, 10, 79, 215, 395, 14, 199276, 9, 10, 13, 12, 131, 511, 5275, 16, 32281747, 10, 11, 12, 37, 14, 196, 8729, 76128, 18, 16946784207, 11, 11, 13, 14, 67, 16, 3983, 20526, 9782734, 20]

cp's OEIS Frontend

A305579 Square array read by antidiagonals upwards in which row k has k as its first term and each subsequent term is the least possible value such that the sum of any 2 or more terms does not equal a prime.

Table of values

List of values