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.

A115150 Third diagonal (M=3) sequence of triangle A113647, called Y(2,1).

Table of values

n a(n)
0 1
1 15
2 113
3 783
4 5361
5 36879
6 255985
7 1794063
8 12689393
9 90505231
10 650379249
11 4705157135
12 34244198385
13 250572963855
14 1842382110705
15 13605619630095
16 100872203796465
17 750556607938575
18 5602962592235505
19 41952165966643215

List of values

[1, 15, 113, 783, 5361, 36879, 255985, 1794063, 12689393, 90505231, 650379249, 4705157135, 34244198385, 250572963855, 1842382110705, 13605619630095, 100872203796465, 750556607938575, 5602962592235505, 41952165966643215]

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

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