Search: id:A001419
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%I A001419 M4226 N1767
%S A001419 0,0,0,0,0,0,1,6,37,195,979,4663,21474,96496,425449,1849252,7946380,
%T A001419 33840946,143060339,601165888,2513617990,10466220315,43425174374
%N A001419 Number of n-celled polyominoes with holes.
%D A001419 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A001419 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 
               (includes this sequence).
%D A001419 S. W. Golomb, Polyominoes. Scribner's, NY, 1965; second edition ( Polyominoes: 
               Puzzles, Packings, Problems and Patterns) Princeton Univ. Press, 
               1994.
%D A001419 Joseph S. Madachy, "Pentominoes - Some Solved and Unsolved Problems", 
               J. Rec. Math., 2 (1969), 181-188.
%D A001419 T. R. Parkin, L. J. Lander and D. R. Parkin, ``Polyomino enumeration 
               results,'' SIAM Fall Meeting, Santa Barbara, California, 1967.
%D A001419 R. C. Read, Contributions to the cell growth problem, Canad. J. Math., 
               14 (1962), 1-20.
%H A001419 Joseph Myers, <a href="http://www.srcf.ucam.org/~jsm28/tiling/">Polyomino 
               tiling</a>
%H A001419 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               Polyomino.html">Link to a section of The World of Mathematics.</a>
%Y A001419 Cf. A000104, A000105.
%Y A001419 Sequence in context: A056328 A156185 A057418 this_sequence A081152 A033116 
               A033124
%Y A001419 Adjacent sequences: A001416 A001417 A001418 this_sequence A001420 A001421 
               A001422
%K A001419 nonn,hard
%O A001419 1,8
%A A001419 N. J. A. Sloane (njas(AT)research.att.com).
%E A001419 Further terms may be obtained from A000105-A000104.
%E A001419 More terms from Joseph Myers (jsm(AT)polyomino.org.uk), May 05 2002
%E A001419 More terms from Joseph Myers (jsm(AT)polyomino.org.uk), Nov 04 2003

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