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 A194794 T(n,k)=Number of lower triangles of an (n+1)X(n+1) 0..k array with new values introduced in row major order 0..k and no element equal to any horizontal, diagonal, antidiagonal or vertical neighbor 5
 0, 1, 0, 1, 0, 0, 1, 4, 0, 0, 1, 9, 12, 0, 0, 1, 10, 252, 32, 0, 0, 1, 10, 942, 11160, 80, 0, 0, 1, 10, 1530, 267856, 779544, 192, 0, 0, 1, 10, 1719, 1587724, 187321720, 86082552, 448, 0, 0, 1, 10, 1743, 4018152, 6012771932, 320268943536, 15042748752, 1024, 0, 0, 1, 10 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,8 COMMENTS Table starts .0.1....1.............1....................1........................1 .0.0....4.............9...................10.......................10 .0.0...12...........252..................942.....................1530 .0.0...32.........11160...............267856..................1587724 .0.0...80........779544............187321720...............6012771932 .0.0..192......86082552.........320268943536...........76835222989340 .0.0..448...15042748752.....1338718951693520......3302081001560127592 .0.0.1024.4162973481720.13681233554467188752.477232970093526846547868 LINKS R. H. Hardin, Table of n, a(n) for n = 1..165 EXAMPLE Some solutions for n=3 k=3 ..0........0........0........0........0........0........0........0 ..1.2......1.2......1.2......1.2......1.2......1.2......1.2......1.2 ..3.0.1....3.0.3....3.0.3....0.3.0....3.0.1....3.0.3....0.3.0....0.3.0 ..1.2.3.0..2.1.2.1..2.1.2.0..2.1.2.3..1.2.3.2..1.2.1.0..2.1.2.1..1.2.1.2 CROSSREFS Column 3 is A001787 Sequence in context: A046783 A134832 A123163 * A317448 A292900 A177893 Adjacent sequences:  A194791 A194792 A194793 * A194795 A194796 A194797 KEYWORD nonn,tabl AUTHOR R. H. Hardin Sep 03 2011 STATUS approved

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Last modified August 11 04:03 EDT 2020. Contains 336421 sequences. (Running on oeis4.)