VOOZH
about
URL: https://oeis.org/A252290
⇱ A252290 - OEIS
login
A252290
Number of (n+2)X(5+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 1 or 4.
1
14042, 20213, 59767, 254401, 1227461, 6319654, 33076723, 173978395, 918980293, 4858189985, 25672484797, 135685650662, 717352972096, 3792709432526, 20050973671682, 106002037732954, 560409705365204, 2962812462944117
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
1,1
COMMENTS
Column 5 of
A252293
LINKS
R. H. Hardin,
Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=3
..2..2..2..2..2..1..2....2..1..2..2..1..2..2....1..1..1..1..1..1..1
..2..2..2..2..2..2..2....1..2..2..1..2..2..2....1..1..0..1..1..1..1
..2..2..2..2..2..2..2....2..2..1..2..2..1..2....1..1..1..1..1..1..1
..2..2..2..1..2..2..1....2..1..2..2..2..2..2....1..0..1..1..1..0..1
..2..2..2..2..2..2..2....1..2..2..2..2..2..2....1..1..1..0..1..1..1
CROSSREFS
Sequence in context:
A215944
A248999
A251612
*
A229699
A181963
A140708
Adjacent sequences:
A252287
A252288
A252289
*
A252291
A252292
A252293
KEYWORD
nonn
AUTHOR
R. H. Hardin
, Dec 16 2014
STATUS
approved
