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.

A274754 Number of 7Xn 0..2 arrays with no element equal to any value at offset (-1,-2) (0,-1) or (-1,0) and new values introduced in order 0..2.

Table of values

n a(n)
1 32
2 729
3 10946
4 185435
5 3140840
6 53680592
7 920432562
8 15806543610
9 271711836855
10 4671914239590
11 80354505513874
12 1382068876451987
13 23773417216542030
14 408926400535170333
15 7034177852486985161
16 120997474917708497554

List of values

[32, 729, 10946, 185435, 3140840, 53680592, 920432562, 15806543610, 271711836855, 4671914239590, 80354505513874, 1382068876451987, 23773417216542030, 408926400535170333, 7034177852486985161, 120997474917708497554]

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

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