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 A100316 Number of 4 X n 0-1 matrices avoiding simultaneously the right angled numbered polyomino patterns (ranpp) (00;1), (01;0), (10;0) and (01;1). 2
 1, 16, 24, 34, 48, 70, 108, 178, 312, 574, 1092, 2122, 4176, 8278, 16476, 32866, 65640, 131182, 262260, 524410, 1048704, 2097286, 4194444, 8388754, 16777368, 33554590, 67109028, 134217898, 268435632, 536871094, 1073742012, 2147483842, 4294967496, 8589934798 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS An occurrence of a ranpp (xy;z) in a matrix A=(a(i,j)) is a triple (a(i1,j1), a(i1,j2), a(i2,j1)) where i10, a(0) = 1. G.f.: -(16*x^3-35*x^2+12*x+1)/((2*x-1)*(x-1)^2). - Alois P. Heinz, Dec 21 2018 MATHEMATICA Table[6*n + 2^n + 8, {n, 50}] (* Vladimir Joseph Stephan Orlovsky, Jul 08 2011 *) CROSSREFS Cf. A100314 (m=2), A100315 (m=3). Sequence in context: A082803 A273801 A163284 * A206260 A036328 A067028 Adjacent sequences:  A100313 A100314 A100315 * A100317 A100318 A100319 KEYWORD nonn AUTHOR Sergey Kitaev, Nov 13 2004 EXTENSIONS a(0)=1 prepended by Alois P. Heinz, Dec 21 2018 STATUS approved

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Last modified February 20 00:28 EST 2019. Contains 320329 sequences. (Running on oeis4.)