A254418 - OEIS

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A254418

Number of (n+1)X(4+1) 0..2 arrays with every 2X2 subblock diagonal maximum minus antidiagonal maximum nondecreasing horizontally, vertically and ne-to-sw antidiagonally

1

9623, 229652, 6880359, 199339608, 5909079229, 176730239629, 5319044439319, 160859837705171, 4877701778477461, 148204822276555255, 4508452853128697649, 137265217707076238687, 4181409876046551764241, 127420982104754173247655

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 4 of A254422

LINKS

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

R. H. Hardin, Empirical recurrence of order 60

FORMULA

Empirical recurrence of order 60 (see link above)

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A233913 A031653 A253520 * A254425 A237231 A031627

Adjacent sequences: A254415 A254416 A254417 * A254419 A254420 A254421

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 30 2015

STATUS

approved