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.

A275187 Number of 7 X n 0..2 arrays with no element equal to any value at offset (-2,-1) (-1,0) or (-1,1) and new values introduced in order 0..2.

Table of values

n a(n)
1 32
2 65
3 389
4 2386
5 14643
6 90793
7 561044
8 3472521
9 21488129
10 132962186
11 822814111
12 5091567885
13 31507279460
14 194970115869
15 1206493799669
16 7465907869266
17 46199772632427
18 285888830879985
19 1769108624416628
20 10947420840825089

List of values

[32, 65, 389, 2386, 14643, 90793, 561044, 3472521, 21488129, 132962186, 822814111, 5091567885, 31507279460, 194970115869, 1206493799669, 7465907869266, 46199772632427, 285888830879985, 1769108624416628, 10947420840825089]

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

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