cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A077627 Largest term in periodic part of continued fraction expansion of square root of -1+3^n.

Table of values

n a(n)
1 2
2 4
3 10
4 16
5 30
6 52
7 92
8 160
9 280
10 484
11 840
12 1456
13 2524
14 4372
15 7574
16 13120
17 22726
18 39364
19 68182
20 118096
21 204550
22 354292
23 613654
24 1062880
25 1840964
26 3188644
27 5522896
28 9565936
29 16568690
30 28697812
31 49706070
32 86093440
33 149118214
34 258280324
35 447354646
36 774840976
37 1342063940

List of values

[2, 4, 10, 16, 30, 52, 92, 160, 280, 484, 840, 1456, 2524, 4372, 7574, 13120, 22726, 39364, 68182, 118096, 204550, 354292, 613654, 1062880, 1840964, 3188644, 5522896, 9565936, 16568690, 28697812, 49706070, 86093440, 149118214, 258280324, 447354646, 774840976, 1342063940]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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