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A218525 Number of 4Xn arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random 0..3 4Xn array 1
256, 1528, 76214, 1608968, 49466988, 1326731972, 38497164700, 1087736452738, 31117471227206, 886142080344254, 25291550132660836, 721303064302959840, 20578939287128886034, 587046975916765583280, 16747555229309088955058 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 4 of A218522

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..90

EXAMPLE

Some solutions for n=3

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

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

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

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

CROSSREFS

Sequence in context: A197709 A198073 A197907 * A237403 A237399 A237677

Adjacent sequences:  A218522 A218523 A218524 * A218526 A218527 A218528

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 31 2012

STATUS

approved

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Last modified December 8 11:03 EST 2021. Contains 349594 sequences. (Running on oeis4.)