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A264692 T(n,k)=Number of nXk arrays of permutations of 0..n*k-1 with rows nondecreasing modulo 3 and columns nondecreasing modulo 5. 4
1, 1, 1, 1, 1, 1, 2, 7, 6, 1, 4, 56, 80, 23, 1, 8, 348, 3196, 2051, 84, 2, 24, 4672, 171962, 465584, 59845, 897, 4, 72, 93864, 17647792, 207022624, 110630784, 3406328, 9292, 8, 216, 1776576, 2685878592 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,7
COMMENTS
Table starts
.1....1.......1.........2.........4........8.........24......72.216
.1....1.......7........56.......348.....4672......93864.1776576
.1....6......80......3196....171962.17647792.2685878592
.1...23....2051....465584.207022624
.1...84...59845.110630784
.2..897.3406328
.4.9292
LINKS
EXAMPLE
Some solutions for n=3 k=4
..6..0.10..5....0.10..1.11....0..3..1.10...10..2..5.11....0..7.10.11
..3..1.11..2....6..5..8..2....6..9.11..5....0..4..1..7....6..3..5..2
..9..7..4..8....3..9..4..7....7..4..2..8....3..9..6..8....9..4..1..8
CROSSREFS
Column 1 is A264656.
Row 1 is A264557.
Sequence in context: A070524 A259830 A259235 * A021366 A334366 A350761
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Nov 21 2015
STATUS
approved

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Last modified April 22 11:51 EDT 2024. Contains 371898 sequences. (Running on oeis4.)