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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.

A077638 Sum of terms in periodic part of continued fraction expansion of square root of A051451(n), i.e., sqrt(lcm(1..x)) where x is a prime power from A000961.

Table of values

n a(n)
1 0
2 2
3 6
4 8
5 18
6 42
7 57
8 105
9 372
10 1344
11 1800
12 7291
13 32524
14 150567
15 342906
16 738854
17 3298239
18 20772345
19 36965663
20 184510241
21 1433356755
22 7840220998
23 56906577387
24 113611483212
25 843530932394
26 6257315565011
27 60692272232438
28 70311381976766
29 692150332693349
30 4888462119949170

List of values

[0, 2, 6, 8, 18, 42, 57, 105, 372, 1344, 1800, 7291, 32524, 150567, 342906, 738854, 3298239, 20772345, 36965663, 184510241, 1433356755, 7840220998, 56906577387, 113611483212, 843530932394, 6257315565011, 60692272232438, 70311381976766, 692150332693349, 4888462119949170]

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

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