A242728 - cp's OEIS frontend

A242728 Sequence a(n) with all (x,y)=(a(2m),a(2m+-1)) satisfying y|x^2+1 and x|y^2+y+1.

n	a(n)
0	1
1	2
2	7
3	25
4	93
5	346
6	1291
7	4817
8	17977
9	67090
10	250383
11	934441
12	3487381
13	13015082
14	48572947
15	181276705
16	676533873
17	2524858786
18	9422901271
19	35166746297
20	131244083917
21	489809589370
22	1827994273563
23	6822167504881
24	25460675745961
25	95020535478962

[1, 2, 7, 25, 93, 346, 1291, 4817, 17977, 67090, 250383, 934441, 3487381, 13015082, 48572947, 181276705, 676533873, 2524858786, 9422901271, 35166746297, 131244083917, 489809589370, 1827994273563, 6822167504881, 25460675745961, 95020535478962]

cp's OEIS Frontend

A242728 Sequence a(n) with all (x,y)=(a(2m),a(2m+-1)) satisfying y|x^2+1 and x|y^2+y+1.

Table of values

List of values