Start with the square tile of the Shield tiling and recursively apply the substitution rule. a(n) is the number of squares after n iterations.
A298683
Start with the square tile of the Shield tiling and recursively apply the substitution rule. a(n) is the number of squares after n iterations.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =13a(4) =37a(5) =169a(6) =577a(7) =2269a(8) =8245a(9) =31225a(10) =115633a(11) =433357a(12) =1613701a(13) =6029641a(14) =22488481a(15) =83957053a(16) =313274197a(17) =1169270809a(18) =4363546897a(19) =16285441069a(20) =60777168805a(21) =226825331305a(22) =846519962113
External references
- oeis: A298683