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.

A183550 Number of nX5 0..2 arrays with each element equal to either the maximum or the minimum of its horizontal and vertical neighbors.

Table of values

n a(n)
1 15
2 1325
3 46841
4 1728533
5 63868351
6 2359134621
7 87176303417
8 3221377019429
9 119037100116183
10 4398697422258081
11 162542044954494221
12 6006305685720331925
13 221946939432242106215
14 8201454756620862955585
15 303062796878789833114397

List of values

[15, 1325, 46841, 1728533, 63868351, 2359134621, 87176303417, 3221377019429, 119037100116183, 4398697422258081, 162542044954494221, 6006305685720331925, 221946939432242106215, 8201454756620862955585, 303062796878789833114397]