A081234 - cp's OEIS frontend

A081234 Let p = n-th prime, take smallest solution (x,y) to the Pellian equation x^2 - p*y^2 = 1 with x and y >= 1; sequence gives value of y.

n	a(n)
1	2
2	1
3	4
4	3
5	3
6	180
7	8
8	39
9	5
10	1820
11	273
12	12
13	320
14	531
15	7
16	9100
17	69
18	226153980
19	5967
20	413
21	267000
22	9
23	9
24	53000
25	6377352
26	20
27	22419
28	93
29	15140424455100
30	113296
31	419775
32	927
33	519712
34	6578829
35	2113761020
36	140634693
37	3726964292220
38	5019135
39	13
40	190060

[2, 1, 4, 3, 3, 180, 8, 39, 5, 1820, 273, 12, 320, 531, 7, 9100, 69, 226153980, 5967, 413, 267000, 9, 9, 53000, 6377352, 20, 22419, 93, 15140424455100, 113296, 419775, 927, 519712, 6578829, 2113761020, 140634693, 3726964292220, 5019135, 13, 190060]

cp's OEIS Frontend

A081234 Let p = n-th prime, take smallest solution (x,y) to the Pellian equation x^2 - p*y^2 = 1 with x and y >= 1; sequence gives value of y.

Table of values

List of values