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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.

A172194 Numerators of the inverse binomial transform of the sequence of fractions A172030(n)/A172031(n).

Table of values

n a(n)
0 0
1 1
2 1
3 2
4 2
5 19
6 19
7 23
8 23
9 131
10 131
11 808
12 808
13 4469
14 4469
15 24221
16 24221
17 -2797103
18 -2797103
19 80009738
20 80009738
21 -930456539
22 -930456539
23 127441603151
24 127441603151
25 -6013673706973
26 -6013673706973
27 149990847412508
28 149990847412508

List of values

[0, 1, 1, 2, 2, 19, 19, 23, 23, 131, 131, 808, 808, 4469, 4469, 24221, 24221, -2797103, -2797103, 80009738, 80009738, -930456539, -930456539, 127441603151, 127441603151, -6013673706973, -6013673706973, 149990847412508, 149990847412508]

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

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