A287799 - cp's OEIS frontend

A287799 If x^2 + 2y^2 is prime for all positive integers x and y with m = xy then m is in the sequence.

n	a(n)
1	1
2	3
3	21
4	33
5	123
6	219
7	321
8	3453
9	6621
10	16521
11	18273
12	25089
13	27831
14	29787
15	62313
16	69981
17	75459
18	95577
19	101301
20	105459
21	157299
22	196239
23	197481
24	247047
25	259797
26	281433
27	359943
28	390237
29	418881
30	460821
31	529167
32	569559
33	595869
34	680307
35	727341
36	945141
37	955569
38	964401

[1, 3, 21, 33, 123, 219, 321, 3453, 6621, 16521, 18273, 25089, 27831, 29787, 62313, 69981, 75459, 95577, 101301, 105459, 157299, 196239, 197481, 247047, 259797, 281433, 359943, 390237, 418881, 460821, 529167, 569559, 595869, 680307, 727341, 945141, 955569, 964401]

cp's OEIS Frontend

A287799 If x^2 + 2y^2 is prime for all positive integers x and y with m = xy then m is in the sequence.

Table of values

List of values

cp's OEIS Frontend

A287799 If x^2 + 2*y^2 is prime for all positive integers x and y with m = x*y then m is in the sequence.

Table of values

List of values

A287799 If x^2 + 2y^2 is prime for all positive integers x and y with m = xy then m is in the sequence.