A369768 - cp's OEIS frontend

A369768 Numbers X such that X^2 + Y^2 = 3^(2*k) + 1 and X > Y > 0 and k is the ternary digit length of X-1.

n	a(n)
1	3
2	9
3	21
4	27
5	71
6	81
7	195
8	233
9	243
10	711
11	729
12	1583
13	1749
14	2157
15	2187
16	6561
17	14829
18	15747
19	19629
20	19683
21	57609
22	59049
23	141717
24	154727
25	175537
26	177147
27	385559
28	394471
29	414649
30	422729
31	446489
32	462601
33	468919
34	482759
35	488431
36	504161
37	515649
38	524559
39	529599
40	530529

[3, 9, 21, 27, 71, 81, 195, 233, 243, 711, 729, 1583, 1749, 2157, 2187, 6561, 14829, 15747, 19629, 19683, 57609, 59049, 141717, 154727, 175537, 177147, 385559, 394471, 414649, 422729, 446489, 462601, 468919, 482759, 488431, 504161, 515649, 524559, 529599, 530529]

cp's OEIS Frontend

A369768 Numbers X such that X^2 + Y^2 = 3^(2*k) + 1 and X > Y > 0 and k is the ternary digit length of X-1.

Table of values

List of values