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 A295985 T(n,k)=Number of nXk 0..1 arrays with each 1 adjacent to 2 or 3 king-move neighboring 1s. 8
 1, 1, 1, 1, 6, 1, 1, 15, 15, 1, 1, 28, 44, 28, 1, 1, 90, 110, 110, 90, 1, 1, 281, 581, 518, 581, 281, 1, 1, 737, 2354, 3851, 3851, 2354, 737, 1, 1, 2095, 8452, 21577, 62702, 21577, 8452, 2095, 1, 1, 6268, 35474, 124879, 649470, 649470, 124879, 35474, 6268, 1, 1 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,5 COMMENTS Table starts .1....1......1.......1.........1...........1.............1...............1 .1....6.....15......28........90.........281...........737............2095 .1...15.....44.....110.......581........2354..........8452...........35474 .1...28....110.....518......3851.......21577........124879..........764482 .1...90....581....3851.....62702......649470.......6388097........74040837 .1..281...2354...21577....649470....10239175.....153675314......2926105110 .1..737...8452..124879...6388097...153675314....3710803701....113097325063 .1.2095..35474..764482..74040837..2926105110..113097325063...5908904429141 .1.6268.146560.4511480.809517928.50497979952.3060234284708.267611417815233 LINKS R. H. Hardin, Table of n, a(n) for n = 1..219 FORMULA Empirical for column k: k=1: a(n) = a(n-1) k=2: a(n) = 3*a(n-1) -2*a(n-2) +9*a(n-3) -10*a(n-4) -4*a(n-5) -4*a(n-6) k=3: [order 10] k=4: [order 27] k=5: [order 67] EXAMPLE Some solutions for n=5 k=4 ..0..1..0..0. .1..1..0..1. .0..0..0..1. .1..1..0..0. .1..1..1..1 ..1..1..0..0. .1..0..1..1. .1..1..1..1. .1..0..1..0. .1..0..0..1 ..0..0..1..0. .0..0..0..0. .1..0..0..0. .1..0..1..0. .0..0..1..0 ..0..1..1..0. .0..1..1..0. .0..1..0..0. .1..0..0..1. .0..1..1..0 ..0..0..0..0. .0..1..0..0. .0..1..1..0. .1..1..1..0. .0..1..0..0 CROSSREFS Sequence in context: A143210 A205133 A152238 * A086645 A168291 A154980 Adjacent sequences:  A295982 A295983 A295984 * A295986 A295987 A295988 KEYWORD nonn,tabl AUTHOR R. H. Hardin, Dec 01 2017 STATUS approved

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Last modified April 17 01:45 EDT 2021. Contains 343051 sequences. (Running on oeis4.)