A363513 - cp's OEIS frontend

A363513 a(1) = 2, then a(n) is the least prime p > a(n - 1) such that p + a(n-1) and p - a(n-1) have the same number of prime factors counted with multiplicity.

n	a(n)
1	2
2	5
3	13
4	31
5	61
6	103
7	157
8	173
9	181
10	193
11	211
12	223
13	239
14	269
15	313
16	337
17	353
18	419
19	487
20	499
21	577
22	613
23	631
24	647
25	677
26	709
27	727
28	827
29	857
30	947
31	1039
32	1093
33	1117
34	1231
35	1283
36	1303
37	1319
38	1483
39	1499
40	1553
41	1609
42	1627
43	1657
44	1693
45	1721
46	1733
47	1823
48	1913
49	1933
50	1951
51	2003
52	2027
53	2039
54	2129
55	2161
56	2203

[2, 5, 13, 31, 61, 103, 157, 173, 181, 193, 211, 223, 239, 269, 313, 337, 353, 419, 487, 499, 577, 613, 631, 647, 677, 709, 727, 827, 857, 947, 1039, 1093, 1117, 1231, 1283, 1303, 1319, 1483, 1499, 1553, 1609, 1627, 1657, 1693, 1721, 1733, 1823, 1913, 1933, 1951, 2003, 2027, 2039, 2129, 2161, 2203]

cp's OEIS Frontend

A363513 a(1) = 2, then a(n) is the least prime p > a(n - 1) such that p + a(n-1) and p - a(n-1) have the same number of prime factors counted with multiplicity.

Table of values

List of values