A345691 - cp's OEIS frontend

A345691 For 1<=x<=n, 1<=y<=n, write gcd(x,y) = ux+vy with u,v minimal; a(n) = n^4*s, where s is the population variance of the values of u^2+v^2.

n	a(n)
1	0
2	0
3	14
4	48
5	1266
6	1988
7	21514
8	49392
9	171032
10	242964
11	882708
12	1487996
13	3650020
14	4913620
15	9374594
16	14382448
17	29859148
18	38410016
19	71427550
20	97525500
21	147544988
22	186821472
23	320133640
24	399015644
25	605818854
26	740618592
27	1061345430
28	1349418108
29	2017326672
30	2390222900

[0, 0, 14, 48, 1266, 1988, 21514, 49392, 171032, 242964, 882708, 1487996, 3650020, 4913620, 9374594, 14382448, 29859148, 38410016, 71427550, 97525500, 147544988, 186821472, 320133640, 399015644, 605818854, 740618592, 1061345430, 1349418108, 2017326672, 2390222900]

cp's OEIS Frontend

A345691 For 1<=x<=n, 1<=y<=n, write gcd(x,y) = ux+vy with u,v minimal; a(n) = n^4*s, where s is the population variance of the values of u^2+v^2.

Table of values

List of values

cp's OEIS Frontend

A345691 For 1<=x<=n, 1<=y<=n, write gcd(x,y) = u*x+v*y with u,v minimal; a(n) = n^4*s, where s is the population variance of the values of u^2+v^2.

Table of values

List of values

A345691 For 1<=x<=n, 1<=y<=n, write gcd(x,y) = ux+vy with u,v minimal; a(n) = n^4*s, where s is the population variance of the values of u^2+v^2.