Number of edges in the n^2 X n^2 Sudoku graph.

Terms

a(0) =0a(1) =56a(2) =810a(3) =4992a(4) =20000a(5) =61560a(6) =158466a(7) =358400a(8) =734832a(9) =1395000a(10) =2488970a(11) =4219776a(12) =6854640a(13) =10737272a(14) =16301250a(15) =24084480a(16) =34744736a(17) =49076280a(18) =68027562a(19) =92720000a(20) =124467840a(21) =164799096a(22) =215477570a(23) =278525952a(24) =356250000a(25) =451263800a(26) =566516106a(27) =705317760