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.

A275186 Number of 6 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 16
2 37
3 181
4 914
5 4603
6 23313
7 117916
8 596625
9 3018913
10 15274618
11 77286999
12 391054261
13 1978648444
14 10011529573
15 50656125413
16 256308871218
17 1296866472387
18 6561859014441
19 33201563019036
20 167992603723721
21 850005614599481

List of values

[16, 37, 181, 914, 4603, 23313, 117916, 596625, 3018913, 15274618, 77286999, 391054261, 1978648444, 10011529573, 50656125413, 256308871218, 1296866472387, 6561859014441, 33201563019036, 167992603723721, 850005614599481]

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

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