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.

A031671 Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 83.

Table of values

n a(n)
1 85313
2 85898
3 142210
4 291769
5 392101
6 394609
7 395866
8 504389
9 630797
10 633977
11 764317
12 771325
13 916378
14 927898
15 1078069
16 1086389
17 1090561
18 1098929
19 1277629
20 1282153
21 1460105
22 1469785
23 1474637
24 1479497
25 1662482
26 1665061
27 1667642

List of values

[85313, 85898, 142210, 291769, 392101, 394609, 395866, 504389, 630797, 633977, 764317, 771325, 916378, 927898, 1078069, 1086389, 1090561, 1098929, 1277629, 1282153, 1460105, 1469785, 1474637, 1479497, 1662482, 1665061, 1667642]

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

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