|
%I #7 Dec 27 2023 00:49:22
%S 7434207,355151781,16878985502,798649122250,37651764287736,
%T 1779844229799877,84110153180887751,3974202717759802658,
%U 187775034013209154550,8872609325526237693362,419237061675092916719453
%N Number of (n+3) X 6 binary arrays with no more than three of any consecutive four bits set in any row or column.
%C Column 3 of A202726.
%H R. H. Hardin, <a href="/A202721/b202721.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=2
%e ..0..0..0..1..0..0....1..0..1..1..1..0....0..1..0..0..1..1....1..1..1..0..1..0
%e ..1..1..1..0..0..1....1..0..0..0..0..1....1..0..0..0..0..1....1..0..0..0..1..1
%e ..1..0..0..0..1..0....0..0..0..1..0..1....0..0..1..1..0..0....1..0..0..1..1..0
%e ..0..0..0..0..1..0....0..0..1..0..0..1....0..1..1..0..1..0....0..1..0..1..0..1
%e ..1..0..0..0..0..0....1..0..0..1..0..0....0..0..1..1..0..1....0..1..0..1..0..1
%Y Cf. A202726.
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 23 2011
| 