A272856 - cp's OEIS frontend

A272856 Greatest length of a chain of consecutive primes p==1 (mod 3) for which A261029 (2prime(n)p) is 4-i if prime(n) == i (mod 3), where i=1,2.

n	a(n)
3	5
4	7
5	16
6	19
7	32
8	35
9	50
10	76
11	81
12	108
13	140
14	139
15	171
16	206
17	254
18	259
19	305
20	346
21	349
22	404
23	449
24	504
25	582
26	634
27	645
28	699
29	707
30	772
31	930
32	1006
33	1078
34	1097
35	1258
36	1271
37	1362
38	1448
39	1529
40	1633
41	1737
42	1752
43	1951
44	1970
45	2064
46	2082
47	2310
48	2550
49	2659
50	2672
51	2783
52	2917

[5, 7, 16, 19, 32, 35, 50, 76, 81, 108, 140, 139, 171, 206, 254, 259, 305, 346, 349, 404, 449, 504, 582, 634, 645, 699, 707, 772, 930, 1006, 1078, 1097, 1258, 1271, 1362, 1448, 1529, 1633, 1737, 1752, 1951, 1970, 2064, 2082, 2310, 2550, 2659, 2672, 2783, 2917]

cp's OEIS Frontend

A272856 Greatest length of a chain of consecutive primes p==1 (mod 3) for which A261029 (2prime(n)p) is 4-i if prime(n) == i (mod 3), where i=1,2.

Table of values

List of values

cp's OEIS Frontend

A272856 Greatest length of a chain of consecutive primes p==1 (mod 3) for which A261029 (2*prime(n)*p) is 4-i if prime(n) == i (mod 3), where i=1,2.

Table of values

List of values

A272856 Greatest length of a chain of consecutive primes p==1 (mod 3) for which A261029 (2prime(n)p) is 4-i if prime(n) == i (mod 3), where i=1,2.