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.

A274731 Number of 6Xn 0..2 arrays with no element equal to any value at offset (-1,-2) (-2,-1) or (-1,0) and new values introduced in order 0..2.

Table of values

n a(n)
1 16
2 432
3 4132
4 52912
5 687248
6 8960464
7 116633012
8 1520042284
9 19800817976
10 257995068564
11 3361220228816
12 43792711784828
13 570555977597820
14 7433587136161392
15 96849404858071388
16 1261816522312628012

List of values

[16, 432, 4132, 52912, 687248, 8960464, 116633012, 1520042284, 19800817976, 257995068564, 3361220228816, 43792711784828, 570555977597820, 7433587136161392, 96849404858071388, 1261816522312628012]

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

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