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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.

A217966 Number of 3Xn arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random 0..2 3Xn array.

Table of values

n a(n)
1 27
2 77
3 835
4 5415
5 45043
6 336927
7 2675127
8 20711527
9 162237197
10 1264467637
11 9878676929
12 77096409709
13 601984698319
14 4699383563019
15 36689365591653
16 286431238079077
17 2236192425051273
18 17457988805711127
19 136295317877977821

List of values

[27, 77, 835, 5415, 45043, 336927, 2675127, 20711527, 162237197, 1264467637, 9878676929, 77096409709, 601984698319, 4699383563019, 36689365591653, 286431238079077, 2236192425051273, 17457988805711127, 136295317877977821]

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

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