A279241 - cp's OEIS frontend

A279241 Let f(n) = 4n^2 + 2n + 41. The values |f(n)| are primes for all n in the range -20 to 19 (but not for n=-21 or 20). The sequence lists this maximal run of primes in the order in which they appear.

n	a(n)
1	1601
2	1447
3	1301
4	1163
5	1033
6	911
7	797
8	691
9	593
10	503
11	421
12	347
13	281
14	223
15	173
16	131
17	97
18	71
19	53
20	43
21	41
22	47
23	61
24	83
25	113
26	151
27	197
28	251
29	313
30	383
31	461
32	547
33	641
34	743
35	853
36	971
37	1097
38	1231
39	1373
40	1523

[1601, 1447, 1301, 1163, 1033, 911, 797, 691, 593, 503, 421, 347, 281, 223, 173, 131, 97, 71, 53, 43, 41, 47, 61, 83, 113, 151, 197, 251, 313, 383, 461, 547, 641, 743, 853, 971, 1097, 1231, 1373, 1523]

cp's OEIS Frontend

A279241 Let f(n) = 4n^2 + 2n + 41. The values |f(n)| are primes for all n in the range -20 to 19 (but not for n=-21 or 20). The sequence lists this maximal run of primes in the order in which they appear.

Table of values

List of values

cp's OEIS Frontend

A279241 Let f(n) = 4*n^2 + 2*n + 41. The values |f(n)| are primes for all n in the range -20 to 19 (but not for n=-21 or 20). The sequence lists this maximal run of primes in the order in which they appear.

Table of values

List of values

A279241 Let f(n) = 4n^2 + 2n + 41. The values |f(n)| are primes for all n in the range -20 to 19 (but not for n=-21 or 20). The sequence lists this maximal run of primes in the order in which they appear.