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 A284113 T(n,k)=Number of nXk 0..1 arrays with the number of 1s king-move adjacent to some 0 equal to the number of 0s adjacent to some 1, with top left element zero. 8
 1, 2, 2, 3, 4, 3, 6, 13, 13, 6, 10, 46, 25, 46, 10, 19, 160, 435, 435, 160, 19, 33, 571, 1230, 5896, 1230, 571, 33, 62, 2095, 20275, 80200, 80200, 20275, 2095, 62, 112, 7802, 67957, 1143533, 905327, 1143533, 67957, 7802, 112, 212, 29326, 1057769, 16442183 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Table starts ...1......2........3...........6.............10................19 ...2......4.......13..........46............160...............571 ...3.....13.......25.........435...........1230.............20275 ...6.....46......435........5896..........80200...........1143533 ..10....160.....1230.......80200.........905327..........61595318 ..19....571....20275.....1143533.......61595318........3514396333 ..33...2095....67957....16442183......835390074......202053817163 ..62...7802..1057769...240146980....51786529350....11804599876991 .112..29326..4091201..3538905880...809052347723...696189477669561 .212.111040.57977326.52568393480.45439256969227.41397421665690592 LINKS R. H. Hardin, Table of n, a(n) for n = 1..161 EXAMPLE Some solutions for n=4 k=4 ..0..0..0..1. .0..1..1..1. .0..0..0..0. .0..0..0..0. .0..0..1..0 ..1..1..1..1. .1..1..0..1. .1..0..1..0. .0..1..1..1. .1..1..1..0 ..1..0..0..1. .1..0..0..0. .1..1..1..1. .0..1..1..1. .0..1..1..0 ..0..0..1..0. .0..0..0..1. .1..1..1..0. .1..0..1..0. .1..1..0..0 CROSSREFS Column 1 is A274160(n+1). Sequence in context: A231441 A284199 A284165 * A324480 A164975 A253889 Adjacent sequences:  A284110 A284111 A284112 * A284114 A284115 A284116 KEYWORD nonn,tabl AUTHOR R. H. Hardin, Mar 20 2017 STATUS approved

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Last modified October 17 22:41 EDT 2019. Contains 328134 sequences. (Running on oeis4.)