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.

A269869 Number of matchings (not necessarily perfect) in the triangle graph of order n.

Table of values

n a(n)
1 1
2 4
3 27
4 425
5 14278
6 1054396
7 169858667
8 59811185171
9 46012925161519
10 77344464552678876
11 284066030784415134855
12 2279568155737623235728996
13 39969481180418160836567285156
14 1531253921482570179838977438893104
15 128176575381689893022287259560629125869

List of values

[1, 4, 27, 425, 14278, 1054396, 169858667, 59811185171, 46012925161519, 77344464552678876, 284066030784415134855, 2279568155737623235728996, 39969481180418160836567285156, 1531253921482570179838977438893104, 128176575381689893022287259560629125869]

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

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