A158034 - cp's OEIS frontend

A158034 Integers n for which f = (4^n - 2^n + 8n^2 - 2) / (2n * (2n + 1)) is an integer.

n	a(n)
1	3
2	11
3	23
4	83
5	131
6	179
7	191
8	239
9	243
10	251
11	359
12	419
13	431
14	443
15	491
16	659
17	683
18	719
19	743
20	891
21	911
22	1019
23	1031
24	1103
25	1223
26	1439
27	1451
28	1499
29	1511
30	1539
31	1559
32	1583
33	1811
34	1931
35	2003
36	2039
37	2063
38	2211
39	2339
40	2351
41	2399
42	2459
43	2511
44	2543
45	2699
46	2819
47	2903

[3, 11, 23, 83, 131, 179, 191, 239, 243, 251, 359, 419, 431, 443, 491, 659, 683, 719, 743, 891, 911, 1019, 1031, 1103, 1223, 1439, 1451, 1499, 1511, 1539, 1559, 1583, 1811, 1931, 2003, 2039, 2063, 2211, 2339, 2351, 2399, 2459, 2511, 2543, 2699, 2819, 2903]

cp's OEIS Frontend

A158034 Integers n for which f = (4^n - 2^n + 8n^2 - 2) / (2n * (2n + 1)) is an integer.

Table of values

List of values