A259960 Number of (n+2)X(6+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00001001

1884, 8964, 64891, 410928, 2680028, 17818241, 116786951, 764080109, 5022583984, 33001259193, 216587128266, 1421771125112, 9335402267913, 61293735086483, 402419214454459, 2642049905522258, 17346319866667679, 113887504201096832

Offset

1,1

Comments

Column 6 of A259962

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

R. H. Hardin, Empirical recurrence of order 71

Formula

Empirical recurrence of order 71 (see link above)

Example

Some solutions for n=3
..0..0..0..0..0..0..0..0....0..0..0..0..1..0..0..1....0..1..0..0..0..1..0..0
..0..0..0..0..0..0..0..0....0..0..1..0..0..0..1..0....0..0..0..0..0..0..0..0
..1..0..0..0..0..1..0..0....0..0..0..0..0..0..0..0....0..0..0..0..0..0..1..0
..0..0..0..0..0..0..0..1....0..0..0..0..0..0..0..1....0..1..0..0..0..0..0..0
..0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..0....1..0..0..1..0..0..0..0

Crossrefs

Cf. A259962

Sequence in context: A237103 A222799 A252111 * A338705 A236613 A190133

Adjacent sequences: A259957 A259958 A259959 * A259961 A259962 A259963

Keyword

nonn

Author

R. H. Hardin, Jul 10 2015

Status

approved