A147856 - cp's OEIS frontend

A147856 Positive integers n such that n^2 = (x^4 - y^4)*(z^4 - t^4) where x>y and z>t are distinct pairs of integers with gcd(x,y)=gcd(z,t)=1.

n	a(n)
1	520
2	975
3	2040
4	3567
5	7215
6	7800
7	9840
8	13920
9	19680
10	30160
11	40545
12	53040
13	57720
14	62985
15	95120
16	108225
17	138040
18	151320
19	180960
20	230880
21	247520
22	286200
23	289952
24	352495
25	473280
26	535353
27	546975
28	720945
29	769600
30	1048560
31	1141920
32	1210560

[520, 975, 2040, 3567, 7215, 7800, 9840, 13920, 19680, 30160, 40545, 53040, 57720, 62985, 95120, 108225, 138040, 151320, 180960, 230880, 247520, 286200, 289952, 352495, 473280, 535353, 546975, 720945, 769600, 1048560, 1141920, 1210560]

cp's OEIS Frontend

A147856 Positive integers n such that n^2 = (x^4 - y^4)*(z^4 - t^4) where x>y and z>t are distinct pairs of integers with gcd(x,y)=gcd(z,t)=1.

Table of values

List of values