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.

A107112 Row sums of A107111, viewed as a number triangle.

Table of values

n a(n)
0 1
1 2
2 5
3 15
4 54
5 228
6 1106
7 6069
8 37212
9 252287
10 1873928
11 15127191
12 131788320
13 1231650843
14 12283477562
15 130137706957
16 1458823402224
17 17242265101407
18 214202486482516
19 2789239633559763
20 37974772474452740
21 539356744121554370

List of values

[1, 2, 5, 15, 54, 228, 1106, 6069, 37212, 252287, 1873928, 15127191, 131788320, 1231650843, 12283477562, 130137706957, 1458823402224, 17242265101407, 214202486482516, 2789239633559763, 37974772474452740, 539356744121554370]

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

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