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A267264 T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with every element equal to or 1 greater than any north, northeast or northwest neighbors modulo n and the upper left element equal to 0. 4
1, 1, 1, 1, 3, 1, 1, 10, 1, 1, 1, 35, 1, 1, 1, 1, 126, 1, 1, 1, 1, 1, 462, 1, 1, 1, 1, 1, 1, 1716, 7, 1, 1, 1, 1, 1, 1, 6435, 41, 1, 1, 1, 1, 1, 1, 1, 24310, 209, 1, 1, 1, 1, 1, 1, 1, 1, 92378, 999, 9, 1, 1, 1, 1, 1, 1, 1, 1, 352716, 4603, 87, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1352078, 20763, 865, 1, 1 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,5
COMMENTS
Table starts
.1.1..1..1...1...1....1....1.....1.....1......1.......1.......1........1
.1.3.10.35.126.462.1716.6435.24310.92378.352716.1352078.5200300.20058300
.1.1..1..1...1...7...41..209...999..4603..20763...92601..410279..1811327
.1.1..1..1...1...1....1....9....87...865...7649...61021..458527..3292439
.1.1..1..1...1...1....1....1.....1....23....303....6023...96925..1428753
.1.1..1..1...1...1....1....1.....1.....1......1......41....1769....49639
.1.1..1..1...1...1....1....1.....1.....1......1.......1.......1......163
.1.1..1..1...1...1....1....1.....1.....1......1.......1.......1........1
.1.1..1..1...1...1....1....1.....1.....1......1.......1.......1........1
.1.1..1..1...1...1....1....1.....1.....1......1.......1.......1........1
LINKS
EXAMPLE
Some solutions for n=4 k=8
..0..3..3..2..2..1..1..1....0..0..3..3..2..2..1..1....0..0..3..3..2..2..1..1
..0..0..3..3..2..2..1..1....1..0..0..3..3..2..2..2....1..0..0..3..3..2..2..1
..0..0..0..3..3..2..2..1....1..1..0..0..3..3..2..2....1..1..0..0..3..3..2..2
..1..1..0..0..3..3..2..2....1..1..1..0..0..3..3..2....2..1..1..0..0..3..3..2
CROSSREFS
Row 2 is A001700(n-1).
Row 3 is A266887.
Sequence in context: A176482 A045912 A290554 * A267197 A267401 A267338
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Jan 12 2016
STATUS
approved

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Last modified March 29 09:32 EDT 2024. Contains 371268 sequences. (Running on oeis4.)