A147854 - cp's OEIS frontend

A147854 Positive integers n such that n^2 = (x^4 - y^4)*(z^4 - t^4) where the pairs of integers (x,y) and (z,t) are not proportional.

n	a(n)
1	520
2	975
3	2040
4	2080
5	3567
6	3900
7	4680
8	7215
9	7800
10	8160
11	8320
12	8775
13	9840
14	13000
15	13920
16	14268
17	15600
18	18360
19	18720
20	19680
21	24375
22	25480
23	28860
24	30160
25	31200
26	32103
27	32640
28	33280
29	35100
30	39360
31	40545
32	42120
33	47775
34	51000
35	52000
36	53040

[520, 975, 2040, 2080, 3567, 3900, 4680, 7215, 7800, 8160, 8320, 8775, 9840, 13000, 13920, 14268, 15600, 18360, 18720, 19680, 24375, 25480, 28860, 30160, 31200, 32103, 32640, 33280, 35100, 39360, 40545, 42120, 47775, 51000, 52000, 53040]

cp's OEIS Frontend

A147854 Positive integers n such that n^2 = (x^4 - y^4)*(z^4 - t^4) where the pairs of integers (x,y) and (z,t) are not proportional.

Table of values

List of values