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 A220044 T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 nXk array 13
 4, 4, 10, 10, 13, 20, 20, 25, 59, 35, 35, 50, 184, 181, 56, 56, 90, 848, 927, 469, 84, 84, 152, 2902, 8337, 4415, 1107, 120, 120, 249, 9055, 53266, 74547, 19083, 2447, 165, 165, 397, 26963, 313386, 904715, 595862, 79295, 5120, 220, 220, 618, 76874, 1746346 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts ...4.....4......10.......20........35........56........84........120......165 ..10....13......25.......50........90.......152.......249........397......618 ..20....59.....184......848......2902......9055.....26963......76874...211179 ..35...181.....927.....8337.....53266....313386...1746346....9367123.48895966 ..56...469....4415....74547....904715..10478150.115306521.1239077832 ..84..1107...19083...595862..13639469.310371126 .120..2447...79295..4640546.201839765 .165..5120..321566.35547836 .220.10197.1259568 .286.19415 .364 LINKS R. H. Hardin, Table of n, a(n) for n = 1..71 EXAMPLE Some solutions for n=3 k=4 ..2..0..0..0....2..1..0..0....0..0..0..0....2..2..2..2....2..2..0..1 ..2..0..0..0....2..1..0..0....0..0..0..0....2..2..1..2....2..1..0..0 ..3..2..0..0....2..1..0..1....3..2..2..3....3..2..1..1....2..1..0..0 CROSSREFS Column 1 is A000292(n+1) Column 2 is A219572 Row 1 is A000292 for n>1 Sequence in context: A078910 A196051 A140234 * A219828 A219714 A167132 Adjacent sequences: A220041 A220042 A220043 * A220045 A220046 A220047 KEYWORD nonn,tabl AUTHOR R. H. Hardin Dec 03 2012 STATUS approved

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Last modified June 14 12:37 EDT 2024. Contains 373400 sequences. (Running on oeis4.)