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.

A134645 Number of 2n X 3n (0,1,2)-matrices with every row sum 3 and column sum 2.

Table of values

n a(n)
1 7
2 16260
3 747558000
4 250071339672000
5 369820640830881240000
6 1796185853884657144990080000
7 23511842995969107700302647865600000
8 720289186703359375552628986978410240000000
9 46455761324619133018320834819622638940550400000000
10 5809177204262302555518772962193269714031251010176000000000

List of values

[7, 16260, 747558000, 250071339672000, 369820640830881240000, 1796185853884657144990080000, 23511842995969107700302647865600000, 720289186703359375552628986978410240000000, 46455761324619133018320834819622638940550400000000, 5809177204262302555518772962193269714031251010176000000000]

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

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