A226640 - cp's OEIS frontend

A226640 a(n) = 2^x+2^y where p(n) is the n-th prime of the form 4*k+1 and x, y is the unique integer solution to p(n) = x^2+y^2.

n	a(n)
1	6
2	12
3	18
4	36
5	66
6	48
7	132
8	96
9	264
10	288
11	528
12	1026
13	1032
14	384
15	2064
16	1152
17	2112
18	8196
19	1536
20	4224
21	16386
22	32772
23	8448
24	32784
25	65538
26	9216
27	16896
28	65568
29	131076
30	12288
31	18432
32	66048
33	262176
34	131328
35	262272
36	132096
37	524352
38	1048578
39	1048584

[6, 12, 18, 36, 66, 48, 132, 96, 264, 288, 528, 1026, 1032, 384, 2064, 1152, 2112, 8196, 1536, 4224, 16386, 32772, 8448, 32784, 65538, 9216, 16896, 65568, 131076, 12288, 18432, 66048, 262176, 131328, 262272, 132096, 524352, 1048578, 1048584]

cp's OEIS Frontend

A226640 a(n) = 2^x+2^y where p(n) is the n-th prime of the form 4*k+1 and x, y is the unique integer solution to p(n) = x^2+y^2.

Table of values

List of values