A077624 - cp's OEIS frontend

A077624 Largest term in periodic part of continued fraction expansion of square root of 2^n + 1 or 0 if 2^n + 1 is a square.

n	a(n)
1	2
2	4
3	0
4	8
5	10
6	16
7	22
8	32
9	44
10	64
11	90
12	128
13	180
14	256
15	362
16	512
17	724
18	1024
19	1448
20	2048
21	2896
22	4096
23	5792
24	8192
25	11584
26	16384
27	23170
28	32768
29	46340
30	65536
31	92680
32	131072
33	185362
34	262144
35	370726
36	524288
37	741454
38	1048576
39	1482910
40	2097152
41	2965820
42	4194304
43	5931640

[2, 4, 0, 8, 10, 16, 22, 32, 44, 64, 90, 128, 180, 256, 362, 512, 724, 1024, 1448, 2048, 2896, 4096, 5792, 8192, 11584, 16384, 23170, 32768, 46340, 65536, 92680, 131072, 185362, 262144, 370726, 524288, 741454, 1048576, 1482910, 2097152, 2965820, 4194304, 5931640]

cp's OEIS Frontend

A077624 Largest term in periodic part of continued fraction expansion of square root of 2^n + 1 or 0 if 2^n + 1 is a square.

Table of values

List of values