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.

A093730 Antidiagonal sums of triangle A093729, which enumerates the number of nodes in the tree of tournament sequences.

Table of values

n a(n)
0 1
1 1
2 2
3 5
4 18
5 102
6 949
7 14731
8 386060
9 17323052
10 1351157580
11 185867701560
12 45682244004244
13 20283964291276804
14 16423005586691362832
15 24434416299840231799694
16 67236458264587977465709983

List of values

[1, 1, 2, 5, 18, 102, 949, 14731, 386060, 17323052, 1351157580, 185867701560, 45682244004244, 20283964291276804, 16423005586691362832, 24434416299840231799694, 67236458264587977465709983]

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

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