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.

A218900 Number of 4Xn arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random 0..1 4Xn array.

Table of values

n a(n)
1 16
2 38
3 286
4 1096
5 6280
6 28598
7 149238
8 722094
9 3651696
10 18021788
11 90208322
12 448024152
13 2235168520
14 11123412124
15 55435126828
16 276050589212
17 1375270796150
18 6849815881386
19 34121765700892
20 169961133958828
21 846617625629670

List of values

[16, 38, 286, 1096, 6280, 28598, 149238, 722094, 3651696, 18021788, 90208322, 448024152, 2235168520, 11123412124, 55435126828, 276050589212, 1375270796150, 6849815881386, 34121765700892, 169961133958828, 846617625629670]

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

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