A262914 Number of (n+1)X(5+1) 0..1 arrays with each row divisible by 3 and each column divisible by 7, read as a binary number with top and left being the most significant bits.

1, 22, 99, 853, 18190, 152587, 2045269, 42299374, 727767387, 13958567845, 286835405806, 5764350599731, 117817168320181, 2437382604831502, 50489841095677539, 1050381458044863253, 21936143744564786830

Offset

1,2

Comments

Column 5 of A262917.

Links

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

Example

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

Crossrefs

Cf. A262917.

Sequence in context: A178999 A272378 A026909 * A262329 A264852 A044273

Adjacent sequences: A262911 A262912 A262913 * A262915 A262916 A262917

Keyword

nonn

Author

R. H. Hardin, Oct 04 2015

Status

approved