A143509 - cp's OEIS frontend

A143509 First of a pair of twin primes of the form n^2+x with x<2*n, or 0 if no such prime exist.

n	a(n)
1	2
2	5
3	11
4	17
5	29
6	41
7	59
8	71
9	0
10	107
11	137
12	149
13	179
14	197
15	227
16	269
17	311
18	347
19	0
20	419
21	461
22	521
23	569
24	599
25	641
26	0
27	0
28	809
29	857
30	0
31	1019
32	1031
33	1091
34	0
35	1277
36	1301
37	1427
38	1451
39	0
40	1607
41	1697
42	1787
43	1871
44	1949
45	2027
46	2129
47	2237
48	2309
49	0
50	2549
51	2657
52	2711
53	0
54	2969

[2, 5, 11, 17, 29, 41, 59, 71, 0, 107, 137, 149, 179, 197, 227, 269, 311, 347, 0, 419, 461, 521, 569, 599, 641, 0, 0, 809, 857, 0, 1019, 1031, 1091, 0, 1277, 1301, 1427, 1451, 0, 1607, 1697, 1787, 1871, 1949, 2027, 2129, 2237, 2309, 0, 2549, 2657, 2711, 0, 2969]

cp's OEIS Frontend

A143509 First of a pair of twin primes of the form n^2+x with x<2*n, or 0 if no such prime exist.

Table of values

List of values