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A236793 Number of (n+1)X(3+1) 0..2 arrays with the maximum plus the upper median plus the minimum of every 2X2 subblock equal 1
825, 6217, 47831, 420133, 3722333, 34857701, 327044595, 3142571647, 30163324455, 292580627371, 2833735962287, 27576788024513, 268062581546783, 2611496864226001, 25423252467853609, 247758144088418341 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A236798

LINKS

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

R. H. Hardin, Empirical recurrence of order 83

FORMULA

Empirical recurrence of order 83 (see link above)

EXAMPLE

Some solutions for n=3

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

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

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

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

CROSSREFS

Sequence in context: A247922 A283201 A283731 * A051989 A237062 A251616

Adjacent sequences:  A236790 A236791 A236792 * A236794 A236795 A236796

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 31 2014

STATUS

approved

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Last modified October 18 12:19 EDT 2021. Contains 348067 sequences. (Running on oeis4.)