A242061 - cp's OEIS frontend

A242061 Position within the triangular array A226314(n)/A054531(n) of rationals x/y such that x < y, gcd(x,y)=1, x+y odd and for the least y, {x, y} are integers such that x*y(y^2-x^2)/A006991(n) is a perfect square.

n	a(n)
1	14
2	2
3	129
4	52686
5	29
6	7
7	9
8	1274
9	296125969
10	12012350
11	5
12	1279281
13	44
14	302583265614
15	780914
16	90
17	316
18	2605
19	106023820090609
20	1754402265205275806
21	7794
22	72957466300254
23	768323201
24	40
25	18505
26	23
27	6478321
28	3966329
29	326
30	14280500082452241

[14, 2, 129, 52686, 29, 7, 9, 1274, 296125969, 12012350, 5, 1279281, 44, 302583265614, 780914, 90, 316, 2605, 106023820090609, 1754402265205275806, 7794, 72957466300254, 768323201, 40, 18505, 23, 6478321, 3966329, 326, 14280500082452241]

cp's OEIS Frontend

A242061 Position within the triangular array A226314(n)/A054531(n) of rationals x/y such that x < y, gcd(x,y)=1, x+y odd and for the least y, {x, y} are integers such that x*y(y^2-x^2)/A006991(n) is a perfect square.

Table of values

List of values