Search: id:A001418
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%I A001418 M4587 N1956
%S A001418 1,8,1368,300608,186086600
%N A001418 Number of ways of folding an n X n sheet of stamps.
%D A001418 Lunnon, W. F.; Multi-dimensional map-folding. Comput. J. 14 1971 75-80.
%D A001418 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 
               (includes this sequence).
%D A001418 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%H A001418 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               MapFolding.html">Map Folding</a>
%H A001418 <a href="Sindx_Fo.html#fold">Index entries for sequences obtained by 
               enumerating foldings</a>
%Y A001418 Sequence in context: A091868 A162090 A017187 this_sequence A123268 A088080 
               A160103
%Y A001418 Adjacent sequences: A001415 A001416 A001417 this_sequence A001419 A001420 
               A001421
%K A001418 nonn
%O A001418 0,2
%A A001418 N. J. A. Sloane (njas(AT)research.att.com).

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