A229540 Number of defective 3-colorings of a 7 X n 0..2 array connected horizontally, diagonally and antidiagonally with exactly one mistake, and colors introduced in row-major 0..2 order.
0, 4212, 59626, 1379512, 26566266, 544403948, 10551803060, 205336122417, 3913347537410, 74172957575993, 1391260426025666, 25942784963976735, 480614597100202422, 8860662840757232528, 162602761260788194310
Offset: 1
Keywords
Examples
Some solutions for n=3: 0 1 2 0 1 0 0 1 0 0 1 0 0 1 0 0 1 2 0 1 0 0 1 2 0 1 0 0 2 0 0 1 0 0 2 2 0 1 0 1 2 0 0 2 0 0 2 0 0 2 0 0 1 0 0 1 0 2 1 0 0 2 1 1 2 0 0 1 0 0 2 0 2 1 2 0 2 0 0 2 0 0 2 0 1 2 1 0 2 0 0 1 0 2 1 2 0 2 0 0 2 1 1 2 1 1 2 1 1 2 1 2 2 0 0 0 2 1 2 1 1 2 1 1 2 1 1 2 1 0 0 1 0 1 0 2 1 2 1 2 1 1 2 0 0 2 1
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
- R. H. Hardin, Empirical recurrence of order 92
Crossrefs
Cf. A229534.
Formula
Empirical recurrence of order 92 (see link above).
Comments