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 A263545 T(n,k)=Number of (n+2)X(k+2) arrays of permutations of 0..(n+2)*(k+2)-1 with each element moved 0 or 1 knight moves and no more than 3 elements left unmoved. 2
 20, 124, 124, 884, 3328, 884, 2960, 32284, 32284, 2960, 43808, 692605, 1704784, 692605, 43808, 128576, 12621312, 26361664, 26361664, 12621312, 128576, 1845824, 200111881, 6446653792 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts .....20......124......884.....2960......43808....128576.1845824 ....124.....3328....32284...692605...12621312.200111881 ....884....32284..1704784.26361664.6446653792 ...2960...692605.26361664 ..43808.12621312 .128576 LINKS EXAMPLE Some solutions for n=2 k=4 ..0.12.13..7..8.16....0.12..6.11.17.16....0.12.15..7..8.16....0.12.10..3.17.16 .19..3..4.17.23.22...19..3..8.20..2.22...19.18.21..1.23..3...14.20.19..5..2.22 .20..2..1.11..5.21....1.21.18.23..5..4...20..2.22..4..5.17....1.21.18.23..8..4 .18..6..9.10.14.15...14.15..7.13..9.10...14..6..9.13.11.10....7..6..9.13.11.15 CROSSREFS Sequence in context: A156255 A004634 A222859 * A227057 A263543 A249709 Adjacent sequences:  A263542 A263543 A263544 * A263546 A263547 A263548 KEYWORD nonn,tabl AUTHOR R. H. Hardin, Oct 20 2015 STATUS approved

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Last modified October 26 17:32 EDT 2020. Contains 338027 sequences. (Running on oeis4.)