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A257185 Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the diagonal and antidiagonal minus the sum of the minimums of the central row and column nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
39891, 220126, 1488364, 12941212, 108242033, 895883809, 7678171235, 65710359362, 559193489019, 4764744316836, 40680177824834, 346959411145637, 2959165274950812, 25242372423278445, 215334362798793752 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A257189

LINKS

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

EXAMPLE

Some solutions for n=1

..1..1..1..0..0..1....1..1..1..0..0..0....0..0..0..0..1..1....0..1..1..0..0..0

..1..0..0..1..0..0....0..0..0..1..1..0....0..0..0..0..0..0....0..0..0..1..1..0

..1..0..0..1..1..0....0..0..0..1..0..0....0..1..0..1..1..0....0..0..0..1..1..0

CROSSREFS

Cf. A257189

Sequence in context: A116220 A103809 A257192 * A254985 A210386 A076670

Adjacent sequences:  A257182 A257183 A257184 * A257186 A257187 A257188

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 17 2015

STATUS

approved

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Last modified June 16 16:09 EDT 2021. Contains 345063 sequences. (Running on oeis4.)