Table read by rows: T(n,k) = the number of regions with k sides, k >= 3, in a Farey diagram of order (n,n).

A358885

Table read by rows: T(n,k) = the number of regions with k sides, k >= 3, in a Farey diagram of order (n,n).

Terms

    a(0) =4a(1) =48a(2) =8a(3) =400a(4) =104a(5) =1568a(6) =456a(7) =6216a(8) =1848a(9) =13944a(10) =4256a(11) =38760a(12) =11976a(13) =75768a(14) =23480a(15) =154440a(16) =48248a(17) =261072a(18) =82184a(19) =500464a(20) =157440a(21) =747480a(22) =235528a(23) =1298584a(24) =410088a(25) =1890184a(26) =595784a(27) =2853416a(28) =901768a(29) =4015552

External references