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.

A218893 Number of n X 4 arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random 0..1 n X 4 array.

Table of values

n a(n)
1 6
2 34
3 212
4 1096
5 6422
6 35812
7 202662
8 1143320
9 6451714
10 36412818
11 205486910
12 1159668470
13 6544517458
14 36933689524
15 208433556616
16 1176284907448
17 6638308849796
18 37462983914486
19 211420591173616
20 1193142178688764

List of values

[6, 34, 212, 1096, 6422, 35812, 202662, 1143320, 6451714, 36412818, 205486910, 1159668470, 6544517458, 36933689524, 208433556616, 1176284907448, 6638308849796, 37462983914486, 211420591173616, 1193142178688764]

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

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