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 A235652 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with 2X2 subblock sum of squares lexicographically nondecreasing rowwise and columnwise 3
 256, 2272, 2272, 20164, 75176, 20164, 131208, 2723053, 2723053, 131208, 853776, 63898897, 444495768, 63898897, 853776, 4548852, 1494414258, 43576923092, 43576923092, 1494414258, 4548852, 24235929, 26134209539, 4228043972530 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts .....256........2272...........20164..............131208...............853776 ....2272.......75176.........2723053............63898897...........1494414258 ...20164.....2723053.......444495768.........43576923092........4228043972530 ..131208....63898897.....43576923092......17753163039244.....7139791037097420 ..853776..1494414258...4228043972530....7139791037097420.11877890687003939863 .4548852.26134209539.294719604196153.2038446270198046968 LINKS R. H. Hardin, Table of n, a(n) for n = 1..49 EXAMPLE Some solutions for n=2 k=4 ..0..0..0..0..3....0..0..3..0..3....0..0..3..0..1....0..0..0..0..0 ..3..0..3..0..2....0..0..1..0..2....0..0..1..0..3....1..0..2..0..3 ..3..1..3..2..1....3..1..2..1..0....2..0..3..2..1....0..1..1..1..0 CROSSREFS Column 1 is A235518 Sequence in context: A236118 A236113 A235521 * A235518 A206109 A206102 Adjacent sequences: A235649 A235650 A235651 * A235653 A235654 A235655 KEYWORD nonn,tabl AUTHOR R. H. Hardin, Jan 13 2014 STATUS approved

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Last modified May 29 11:44 EDT 2023. Contains 363042 sequences. (Running on oeis4.)