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 A205894 T(n,k) = Number of (n+1)X(k+1) 0..2 arrays with 2X2 subblock determinants differing from horizontal neighbors and permanents differing from vertical neighbors. 14
 81, 554, 476, 4020, 6020, 2766, 28522, 79644, 61588, 15728, 203346, 1042382, 1476942, 611694, 89630, 1448300, 13544456, 34564494, 26010268, 6120848, 511044, 10317234, 176994692, 804426380, 1076391970, 464115072, 61390466, 2913944 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts .......81........554..........4020............28522.............203346 ......476.......6020.........79644..........1042382...........13544456 .....2766......61588.......1476942.........34564494..........804426380 ....15728.....611694......26010268.......1076391970........43934005004 ....89630....6120848.....464115072......34054078628......2458450081192 ...511044...61390466....8325468740....1085248304854....138728411577118 ..2913944..614898304..148827007430...34411101807016...7771632134436102 .16611380.6157484270.2659178147340.1090399519549578.435193195671122398 LINKS R. H. Hardin, Table of n, a(n) for n = 1..78 EXAMPLE Some solutions for n=3 k=3 ..0..0..1..1....2..1..0..0....1..1..2..1....0..0..1..1....0..0..2..0 ..2..2..1..2....0..2..1..2....1..0..1..2....1..1..2..0....0..2..2..2 ..1..1..0..2....1..2..1..0....0..2..1..2....1..2..2..2....1..1..2..2 ..1..2..2..2....1..2..2..1....0..2..2..2....1..2..0..0....2..1..2..0 CROSSREFS Column 1 is A205286. Row 1 is A186528. Sequence in context: A206505 A235584 A231973 * A186536 A186528 A253294 Adjacent sequences: A205891 A205892 A205893 * A205895 A205896 A205897 KEYWORD nonn,tabl AUTHOR R. H. Hardin, Feb 01 2012 STATUS approved

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Last modified December 8 03:15 EST 2023. Contains 367662 sequences. (Running on oeis4.)