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.

A163009 Number of n X 9 binary arrays with all 1s connected and a path of 1s from upper left corner to lower right corner.

Table of values

n a(n)
1 1
2 1681
3 783150
4 250043151
5 71703384184
6 19934900617863
7 5483824484276487
8 1502037917021311844
9 410628432970492896401
10 112160245091369049581311
11 30623519350300448308681813
12 8359714215859160247276696744
13 2281871672070839340863159155338
14 622836891043514813722341456961744

List of values

[1, 1681, 783150, 250043151, 71703384184, 19934900617863, 5483824484276487, 1502037917021311844, 410628432970492896401, 112160245091369049581311, 30623519350300448308681813, 8359714215859160247276696744, 2281871672070839340863159155338, 622836891043514813722341456961744]

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

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