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 A186232 Row sums of A185249. 1
 1, 1, 2, 3, 7, 18, 58, 221, 1055, 6485, 50536, 478836, 5440177, 76190368, 1363369202, 31071197441, 868697997215, 29108097152159, 1188937117381254, 61492149340335133, 4073478163425582443, 335184988593624746984, 33170032360612393972748 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 LINKS MAPLE with ( LinearAlgebra ): ctln:= proc(n) option remember; binomial (2*n, n)/ (n+1) end: T := proc (n, k)        if n=k then 1      elif irem (n+k, 2)=1 then 0      else Determinant (Matrix((n-k)/2, (i, j)-> ctln (i+j-1+k)))        fi      end: a:= n-> add (T(n, k), k=0..n): seq (a(n), n=0..25);  # Alois P. Heinz, Feb 15 2011 CROSSREFS Sequence in context: A005248 A032102 A100388 * A160181 A143874 A073641 Adjacent sequences:  A186229 A186230 A186231 * A186233 A186234 A186235 KEYWORD nonn AUTHOR N. J. A. Sloane, Feb 15 2011 EXTENSIONS Corrected and extended by Alois P. Heinz, Feb 15 2011 STATUS approved

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