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 A265995 Number of 5Xn integer arrays with each element equal to the number of horizontal and antidiagonal neighbors not equal to itself. 1
 1, 1, 30, 7, 1, 26, 59, 45, 64, 186, 295, 506, 885, 1725, 3265, 5893, 10108, 19684, 36250, 64589, 121581, 227175, 416368, 772126, 1440512, 2674555, 4977901, 9315535, 17396488, 32509051, 61052607, 114584666, 215397646, 406200423, 766485477 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS Row 5 of A265991. LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=4 ..1..3..1..1....1..2..2..1....1..2..2..1....1..3..1..1....1..3..1..1 ..1..1..4..2....1..1..1..1....1..1..1..1....1..1..4..2....1..1..3..2 ..1..3..3..1....1..4..3..1....1..3..3..1....1..3..3..1....1..3..4..1 ..2..4..1..1....2..3..1..1....2..4..1..1....1..1..1..1....1..1..1..1 ..1..1..3..1....1..1..3..1....1..1..3..1....1..2..2..1....1..2..2..1 CROSSREFS Cf. A265991. Sequence in context: A036390 A040879 A040877 * A040876 A277982 A287921 Adjacent sequences: A265992 A265993 A265994 * A265996 A265997 A265998 KEYWORD nonn AUTHOR R. H. Hardin, Dec 19 2015 STATUS approved

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Last modified September 7 08:00 EDT 2024. Contains 375729 sequences. (Running on oeis4.)