A229608 - cp's OEIS frontend

A229608 Square array read by antidiagonals downwards: each row starts with the least prime not in a previous row, and each prime p in a row is followed by the least prime > 2*p.

n	a(n)
1	2
2	5
3	3
4	11
5	7
6	13
7	23
8	17
9	29
10	19
11	47
12	37
13	59
14	41
15	31
16	97
17	79
18	127
19	83
20	67
21	43
22	197
23	163
24	257
25	167
26	137
27	89
28	53
29	397
30	331
31	521
32	337
33	277
34	179
35	107
36	61
37	797
38	673
39	1049
40	677
41	557
42	359
43	223
44	127
45	71
46	1597
47	1361
48	2099
49	1361
50	1117
51	719
52	449
53	257
54	149
55	73
56	3203

[2, 5, 3, 11, 7, 13, 23, 17, 29, 19, 47, 37, 59, 41, 31, 97, 79, 127, 83, 67, 43, 197, 163, 257, 167, 137, 89, 53, 397, 331, 521, 337, 277, 179, 107, 61, 797, 673, 1049, 677, 557, 359, 223, 127, 71, 1597, 1361, 2099, 1361, 1117, 719, 449, 257, 149, 73, 3203]

cp's OEIS Frontend

A229608 Square array read by antidiagonals downwards: each row starts with the least prime not in a previous row, and each prime p in a row is followed by the least prime > 2*p.

Table of values

List of values