A289118 - cp's OEIS frontend

A289118 Least prime beginning a string, of length at least n, of consecutive primes which alternate between types 4k+1 and 4k+3 or 4k+3 and 4k+1.

n	a(n)
1	3
2	3
3	3
4	23
5	47
6	131
7	131
8	233
9	233
10	521
11	521
12	521
13	521
14	521
15	521
16	51749
17	505049
18	1391087
19	2264839
20	2556713
21	2569529
22	2569529
23	6160043
24	6160043
25	6160043
26	43679609
27	43679609
28	198572029
29	701575297
30	5552898499
31	6639843979
32	9005520203
33	9005520203
34	99052377023

[3, 3, 3, 23, 47, 131, 131, 233, 233, 521, 521, 521, 521, 521, 521, 51749, 505049, 1391087, 2264839, 2556713, 2569529, 2569529, 6160043, 6160043, 6160043, 43679609, 43679609, 198572029, 701575297, 5552898499, 6639843979, 9005520203, 9005520203, 99052377023]

cp's OEIS Frontend

A289118 Least prime beginning a string, of length at least n, of consecutive primes which alternate between types 4k+1 and 4k+3 or 4k+3 and 4k+1.

Table of values

List of values

cp's OEIS Frontend

A289118 Least prime beginning a string, of length at least n, of consecutive primes which alternate between types 4*k+1 and 4*k+3 or 4*k+3 and 4*k+1.

Table of values

List of values

A289118 Least prime beginning a string, of length at least n, of consecutive primes which alternate between types 4k+1 and 4k+3 or 4k+3 and 4k+1.