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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.

A111992 Numerators of row sums of array of rationals A038566(n)/A020653(n), n>=2.

Table of values

n a(n)
2 1
3 5
4 10
5 77
6 26
7 223
8 988
9 3909
10 748
11 55991
12 5084
13 785633
14 124658
15 207061
16 1096792
17 29889983
18 1893246
19 197698279
20 85352744
21 154834887
22 47589202
23 325333835
24 1188897016
25 7612795845
26 5775510652
27 183259245573
28 33778670612

List of values

[1, 5, 10, 77, 26, 223, 988, 3909, 748, 55991, 5084, 785633, 124658, 207061, 1096792, 29889983, 1893246, 197698279, 85352744, 154834887, 47589202, 325333835, 1188897016, 7612795845, 5775510652, 183259245573, 33778670612]

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

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