Number of tiles in distance d from a given heptagon in the truncated order-3 tiling of the heptagonal plane (a.k.a. the "hyperbolic soccerball").

A290398

Number of tiles in distance d from a given heptagon in the truncated order-3 tiling of the heptagonal plane (a.k.a. the "hyperbolic soccerball").

Terms

    a(0) =1a(1) =7a(2) =14a(3) =28a(4) =49a(5) =84a(6) =147a(7) =252a(8) =434a(9) =749a(10) =1288a(11) =2219a(12) =3822a(13) =6580a(14) =11333a(15) =19516a(16) =33607a(17) =57876a(18) =99666a(19) =171633a(20) =295568a(21) =508991a(22) =876526a(23) =1509452a(24) =2599401a(25) =4476388a(26) =7708715a(27) =13275052a(28) =22860754a(29) =39368133

External references