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A233966 Number of (n+1)X(7+1) 0..3 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 10 1
224288, 3219000, 40707148, 620296556, 9249598420, 162075947224, 2840020818344, 57360561695116, 1140665099334812, 25217536205109884, 540492076452193308, 12460937688680153644, 277738184143384238704, 6508007340606568446932 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A233967

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..68

EXAMPLE

Some solutions for n=1

..2..3..3..1..3..3..1..2....0..2..3..1..0..2..1..3....0..3..0..3..3..1..3..3

..1..0..2..0..0..2..0..3....3..3..0..2..3..3..0..2....3..2..1..2..0..0..0..2

CROSSREFS

Sequence in context: A180949 A165411 A235909 * A269116 A252394 A237848

Adjacent sequences: A233963 A233964 A233965 * A233967 A233968 A233969

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 18 2013

STATUS

approved

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Last modified March 26 21:31 EDT 2023. Contains 361553 sequences. (Running on oeis4.)