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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.

A163033 Number of n X 7 binary arrays with all 1s connected and a path of 1s from top row to bottom row.

Table of values

n a(n)
1 28
2 1608
3 143342
4 11457514
5 866126030
6 64270256276
7 4741764527414
8 349218174915782
9 25705066468491048
10 1891784307926020004
11 139221054649194353330
12 10245491277444041078478
13 753978851322477798813560
14 55486218768479949691575070
15 4083297106688472106576343018

List of values

[28, 1608, 143342, 11457514, 866126030, 64270256276, 4741764527414, 349218174915782, 25705066468491048, 1891784307926020004, 139221054649194353330, 10245491277444041078478, 753978851322477798813560, 55486218768479949691575070, 4083297106688472106576343018]

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

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