A214183 Number of 0..6 colorings of an nX5 array circular in the 5 direction with new values 0..6 introduced in row major order

11, 7434, 21418431, 76892349394, 282135060192286, 1037404464993610934, 3815299253956873853106, 14031944174294607018138494, 51606920496933612048613391186, 189800837547185166387283413516334

Offset

1,1

Comments

Column 4 of A214187

Links

R. H. Hardin, Table of n, a(n) for n = 1..106

Formula

Empirical: a(n) = 4178*a(n-1) -1895863*a(n-2) +209149752*a(n-3) -7928550662*a(n-4) +84119844576*a(n-5) -298704239064*a(n-6) +219967475904*a(n-7)

Example

Some solutions for n=4
..0..1..0..1..2....0..1..0..1..2....0..1..2..0..1....0..1..2..0..1
..1..3..4..5..4....1..2..1..0..3....1..0..1..2..3....1..3..4..1..4
..5..1..0..1..6....0..1..2..1..2....0..1..2..1..2....0..1..0..2..1
..2..4..1..4..1....1..2..3..2..3....3..4..0..5..4....1..2..3..0..2

Crossrefs

Sequence in context: A167068 A273942 A199646 * A214234 A320984 A080050

Adjacent sequences: A214180 A214181 A214182 * A214184 A214185 A214186

Keyword

nonn

Author

R. H. Hardin Jul 07 2012

Status

approved