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 A264480 Number of (6+1)X(n+1) arrays of permutations of 0..n*7+6 with each element having directed index change 0,1 1,0 2,1 or -1,-1. 1
 1, 32, 124, 2232, 24773, 310748, 4039259, 50217832, 620351086, 7791932046, 96985215280, 1205278291192, 15033721660535, 187188468194402, 2330142431854154, 29024775202912332, 361434709901725109 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Row 6 of A264476. LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=4 ..6..7..8..9..3....6..0..1..2..3....6..0..8..9..3....6..0..8..2..3 ..0..1..2.14..4...11.12.13.14..4...11..1..2.14..4...11..1.13..7..4 ..5.17.11.19.13....5.10..7..8..9...16.10..7.19.13....5.17.18.19..9 .10.22.12.24.18...21.15.23.17.18...21..5.12.24.18...10.22.16.24.14 .26.27.21.29.23...26.27.28.29.19...26.27.17.22.23...26.27.21.12.23 .20.15.16.34.28...20.32.16.34.24...20.15.33.34.28...20.15.33.34.28 .25.30.31.32.33...25.30.31.22.33...25.30.31.32.29...25.30.31.32.29 CROSSREFS Cf. A264476. Sequence in context: A203958 A005903 A271532 * A247155 A239728 A244082 Adjacent sequences:  A264477 A264478 A264479 * A264481 A264482 A264483 KEYWORD nonn AUTHOR R. H. Hardin, Nov 14 2015 STATUS approved

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Last modified October 23 11:48 EDT 2019. Contains 328345 sequences. (Running on oeis4.)