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.

A219130 Number of 3Xn arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random 0..2 3Xn array.

Table of values

n a(n)
1 27
2 69
3 787
4 3495
5 27993
6 154447
7 1080809
8 6526907
9 43241983
10 270431585
11 1753511935
12 11117046371
13 71479973835
14 455588313465
15 2919712813815
16 18647687495411
17 119353646989167
18 762902760386741
19 4880484858150293

List of values

[27, 69, 787, 3495, 27993, 154447, 1080809, 6526907, 43241983, 270431585, 1753511935, 11117046371, 71479973835, 455588313465, 2919712813815, 18647687495411, 119353646989167, 762902760386741, 4880484858150293]

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

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