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A250923 Number of (n+1)X(4+1) 0..2 arrays with no 2X2 subblock having its minimum diagonal element less than its minimum antidiagonal element 1
11693, 628146, 34521887, 1887760064, 102912852059, 5613563039740, 306543548743117, 16748448512897363, 915164303259406892, 50004735900048261227, 2732197085743121738233, 149282831158760473142819 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A250927

LINKS

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

R. H. Hardin, Empirical recurrence of order 81

FORMULA

Empirical recurrence of order 81 (see link above)

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A254777 A254723 A031631 * A015630 A237933 A251347

Adjacent sequences:  A250920 A250921 A250922 * A250924 A250925 A250926

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 28 2014

STATUS

approved

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Last modified May 17 04:33 EDT 2022. Contains 353730 sequences. (Running on oeis4.)