Number of generalized polyforms on the elongated triangular tiling with n cells.

A345076

Number of generalized polyforms on the elongated triangular tiling with n cells.

Terms

    a(0) =1a(1) =2a(2) =3a(3) =5a(4) =13a(5) =32a(6) =96a(7) =283a(8) =907a(9) =2929a(10) =9787a(11) =32939a(12) =112476a(13) =386230a(14) =1336150a(15) =4642930a(16) =16208851a(17) =56786242a(18) =199614651a(19) =703678568a(20) =2487109359a(21) =8811020024a(22) =31281360326a(23) =111272475650

External references