A222364 Number of nX1 0..2 arrays with no more than floor(nX1/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..2 order

1, 1, 1, 4, 5, 14, 17, 70, 89, 326, 413, 1630, 2089, 8058, 10349, 40598, 52385, 204914, 265061, 1041934, 1351369, 5315674, 6908045, 27228710, 35450225, 139873618, 182386933, 720480478, 940751513, 3719466954, 4862439261, 19240428310

Offset

1,4

Comments

Column 1 of A222371

Links

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

Example

All solutions for n=4
..0....0....0....0
..1....0....0....0
..1....0....1....0
..1....1....1....0

Crossrefs

Sequence in context: A049770 A262903 A079362 * A222372 A302348 A029862

Adjacent sequences: A222361 A222362 A222363 * A222365 A222366 A222367

Keyword

nonn

Author

R. H. Hardin Feb 17 2013

Status

approved