|
|
A251920
|
|
Number of (n+2)X(5+2) 0..3 arrays with every 3X3 subblock row and column sum 2 4 5 or 7 and every diagonal and antidiagonal sum not 2 4 5 or 7
|
|
1
|
|
|
5810, 10704, 27366, 80438, 340800, 1316762, 5742474, 24518672, 111841952, 475675160, 2195264850, 9409677550, 43424782424, 186174329366, 859992120484, 3688928833596, 17042959558538, 73099593519660, 337732501210922
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
Column 5 of A251923
|
|
LINKS
|
R. H. Hardin, Table of n, a(n) for n = 1..210
|
|
EXAMPLE
|
Some solutions for n=4
..0..2..3..0..2..0..0....3..1..3..1..0..1..3....0..1..3..1..3..1..3
..2..1..2..2..1..2..2....1..3..1..3..1..3..1....1..3..1..3..1..0..1
..2..1..2..2..1..2..2....3..1..3..1..3..1..0....3..1..3..1..3..1..0
..0..2..0..3..2..0..0....1..3..1..0..1..3..1....1..3..1..3..1..3..1
..2..1..2..2..1..2..2....0..1..3..1..0..1..3....0..1..3..1..3..1..3
..2..1..2..2..1..2..2....1..3..1..3..1..3..1....1..3..1..3..1..3..1
|
|
CROSSREFS
|
Sequence in context: A031618 A206655 A270866 * A348821 A104284 A237477
Adjacent sequences: A251917 A251918 A251919 * A251921 A251922 A251923
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
R. H. Hardin, Dec 11 2014
|
|
STATUS
|
approved
|
|
|
|