A160557 - cp's OEIS frontend

A160557 Positive integers b for which the Diophantine equation f = (b^(2n) - b^n + 8n^2 - 2) / (2n * (2n + 1)) has at least ten solutions for n <= 10000, n is never divisible by 5, and 2n + 1 is prime.

n	a(n)
1	2
2	32
3	41
4	101
5	161
6	185
7	206
8	215
9	230
10	251
11	290
12	311
13	326
14	335
15	356
16	395
17	416
18	446
19	461
20	521
21	566
22	611
23	626
24	641
25	656
26	740
27	860
28	866
29	926
30	941
31	956
32	965
33	1025
34	1055
35	1076
36	1091
37	1130
38	1151
39	1241
40	1256
41	1271
42	1286
43	1361
44	1370
45	1385
46	1391
47	1436
48	1451
49	1466

[2, 32, 41, 101, 161, 185, 206, 215, 230, 251, 290, 311, 326, 335, 356, 395, 416, 446, 461, 521, 566, 611, 626, 641, 656, 740, 860, 866, 926, 941, 956, 965, 1025, 1055, 1076, 1091, 1130, 1151, 1241, 1256, 1271, 1286, 1361, 1370, 1385, 1391, 1436, 1451, 1466]

cp's OEIS Frontend

A160557 Positive integers b for which the Diophantine equation f = (b^(2n) - b^n + 8n^2 - 2) / (2n * (2n + 1)) has at least ten solutions for n <= 10000, n is never divisible by 5, and 2n + 1 is prime.

Table of values

List of values