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 A266104 Number of 4Xn integer arrays with each element equal to the number of horizontal and antidiagonal neighbors exactly one smaller than itself. 1
 1, 39, 230, 929, 6307, 52171, 371130, 2568565, 18322421, 129531126, 926299920, 6712699992, 48087248218, 341400959047, 2440466698929, 17538694281014, 125725413376414, 899035671334963, 6432936252126858, 46077832832481217 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Row 4 of A266101. LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=4 ..1..0..0..0....1..0..1..1....0..1..2..0....1..0..1..1....0..0..1..1 ..0..0..0..0....1..1..0..1....2..1..1..2....0..2..0..1....1..1..0..0 ..0..0..0..0....2..1..2..0....0..2..1..1....1..0..2..1....1..0..0..1 ..0..0..0..1....1..0..0..0....0..0..0..1....0..0..0..0....1..2..1..0 CROSSREFS Cf. A266101. Sequence in context: A068975 A177709 A211503 * A190538 A190606 A101627 Adjacent sequences: A266101 A266102 A266103 * A266105 A266106 A266107 KEYWORD nonn AUTHOR R. H. Hardin, Dec 21 2015 STATUS approved

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Last modified December 8 20:46 EST 2022. Contains 358698 sequences. (Running on oeis4.)