A066018 - cp's OEIS frontend

A066018 a(n) is the smallest k such that (k^4 + 1)/(n^4 + 1) is an integer > 1.

n	a(n)
1	3
2	8
3	27
4	64
5	125
6	216
7	343
8	474
9	43
10	781
11	1331
12	1728
13	2197
14	1807
15	3375
16	4096
17	4913
18	1600
19	807
20	8000
21	9261
22	10648
23	12167
24	13824
25	7353
26	17576
27	6721
28	21952
29	24389
30	27000
31	29791
32	32768
33	35937
34	39304
35	42875
36	46656
37	50653
38	4015
39	59319
40	20723

[3, 8, 27, 64, 125, 216, 343, 474, 43, 781, 1331, 1728, 2197, 1807, 3375, 4096, 4913, 1600, 807, 8000, 9261, 10648, 12167, 13824, 7353, 17576, 6721, 21952, 24389, 27000, 29791, 32768, 35937, 39304, 42875, 46656, 50653, 4015, 59319, 20723]

cp's OEIS Frontend

A066018 a(n) is the smallest k such that (k^4 + 1)/(n^4 + 1) is an integer > 1.

Table of values

List of values