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.

A172557 Number of 2*n X 10 binary arrays with row sums 5 and column sums n.

Table of values

n a(n)
0 1
1 252
2 1172556
3 14367744720
4 273957842462220
5 6736218287430460752
6 195428754450309450171024
7 6368685647203261761403856832
8 226226183763370772622682749527820
9 8588121524476528848476120449733261520
10 343706681395653993021794459883981791479056
11 14359560914153299239163671050863513324047517632

List of values

[1, 252, 1172556, 14367744720, 273957842462220, 6736218287430460752, 195428754450309450171024, 6368685647203261761403856832, 226226183763370772622682749527820, 8588121524476528848476120449733261520, 343706681395653993021794459883981791479056, 14359560914153299239163671050863513324047517632]

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

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