A253052 - cp's OEIS frontend

A253052 If, for some m, A098550(m-2) is a prime p and A098550(m) = 3p, add 3p to the sequence.

n	a(n)
1	9
2	21
3	33
4	93
5	111
6	129
7	177
8	213
9	237
10	267
11	309
12	321
13	381
14	411
15	519
16	579
17	597
18	633
19	687
20	699
21	723
22	753
23	789
24	831
25	879
26	921
27	951
28	1047
29	1149
30	1257
31	1299
32	1317
33	1347
34	1401
35	1461
36	1641
37	1713
38	1731
39	1779
40	1797
41	1821
42	1983
43	2031
44	2049
45	2103
46	2181
47	2427
48	2469

[9, 21, 33, 93, 111, 129, 177, 213, 237, 267, 309, 321, 381, 411, 519, 579, 597, 633, 687, 699, 723, 753, 789, 831, 879, 921, 951, 1047, 1149, 1257, 1299, 1317, 1347, 1401, 1461, 1641, 1713, 1731, 1779, 1797, 1821, 1983, 2031, 2049, 2103, 2181, 2427, 2469]

cp's OEIS Frontend

A253052 If, for some m, A098550(m-2) is a prime p and A098550(m) = 3p, add 3p to the sequence.

Table of values

List of values