Search: id:A000136 Results 1-1 of 1 results found. %I A000136 M1614 N0630 %S A000136 1,2,6,16,50,144,462,1392,4536,14060,46310,146376,485914,1557892,5202690, 16861984, %T A000136 56579196,184940388,622945970,2050228360,6927964218,22930109884,77692142980, %U A000136 258360586368,877395996200,2929432171328,9968202968958,33396290888520, 113837957337750 %N A000136 Number of ways of folding a strip of n labeled stamps. %D A000136 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %D A000136 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence). %D A000136 J. E. Koehler, Folding a strip of stamps, J. Combin. Theory, 5 (1968), 135-152. %D A000136 W. F. Lunnon, A map-folding problem, Math. Comp. 22 (1968), 193-199. %D A000136 M. B. Wells, Elements of Combinatorial Computing. Pergamon, Oxford, 1971, p. 238. %H A000136 Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics. %H A000136 Index entries for sequences obtained by enumerating foldings %Y A000136 Equals 2n*A000560. %Y A000136 Sequence in context: A052890 A052814 A151445 this_sequence A013989 A002841 A136509 %Y A000136 Adjacent sequences: A000133 A000134 A000135 this_sequence A000137 A000138 A000139 %K A000136 nonn %O A000136 1,2 %A A000136 N. J. A. Sloane (njas(AT)research.att.com). Search completed in 0.001 seconds