A106970 - cp's OEIS frontend

A106970 Primes of the form x^2-xy+21y^2, with x and y nonnegative.

n	a(n)
1	23
2	41
3	83
4	131
5	193
6	199
7	227
8	229
9	277
10	293
11	397
12	401
13	521
14	557
15	607
16	659
17	701
18	739
19	751
20	773
21	787
22	811
23	983
24	1013
25	1019
26	1061
27	1117
28	1231
29	1289
30	1409
31	1423
32	1427
33	1447
34	1511
35	1523
36	1531
37	1553
38	1667
39	1669
40	1693
41	1709
42	1723
43	1747
44	1753
45	1847

[23, 41, 83, 131, 193, 199, 227, 229, 277, 293, 397, 401, 521, 557, 607, 659, 701, 739, 751, 773, 787, 811, 983, 1013, 1019, 1061, 1117, 1231, 1289, 1409, 1423, 1427, 1447, 1511, 1523, 1531, 1553, 1667, 1669, 1693, 1709, 1723, 1747, 1753, 1847]

cp's OEIS Frontend

A106970 Primes of the form x^2-xy+21y^2, with x and y nonnegative.

Table of values

List of values