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.

A278723 Number of nX4 0..3 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order.

Table of values

n a(n)
1 35
2 1050
3 33466
4 1058494
5 30942600
6 815294800
7 19328645044
8 414671691083
9 8109321869307
10 145580441811727
11 2414555760264316
12 37210586178295489
13 535549333443944707
14 7231147745218833289
15 91971617342903492615

List of values

[35, 1050, 33466, 1058494, 30942600, 815294800, 19328645044, 414671691083, 8109321869307, 145580441811727, 2414555760264316, 37210586178295489, 535549333443944707, 7231147745218833289, 91971617342903492615]

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

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