Number of chiral pairs of polyominoes composed of n triangular cells of the hyperbolic regular tiling with Schläfli symbol {3,oo}.
A369314
Number of chiral pairs of polyominoes composed of n triangular cells of the hyperbolic regular tiling with Schläfli symbol {3,oo}.
Terms
- a(0) =1a(1) =2a(2) =7a(3) =22a(4) =68a(5) =214a(6) =691a(7) =2240a(8) =7396a(9) =24702a(10) =83469a(11) =284928a(12) =981814a(13) =3410990a(14) =11939752a(15) =42075308a(16) =149180356a(17) =531866972a(18) =1905872189a(19) =6861162880a(20) =24805796984a(21) =90035940942a(22) =327988261992
External references
- oeis: A369314