Number of (n+1)X(4+1) arrays of permutations of 0..n*5+4 with each element having directed index change 0,1 0,-2 1,0 or -1,0.
A264296
Number of (n+1)X(4+1) arrays of permutations of 0..n*5+4 with each element having directed index change 0,1 0,-2 1,0 or -1,0.
Terms
- a(0) =10a(1) =24a(2) =332a(3) =1672a(4) =14881a(5) =94320a(6) =727970a(7) =5007568a(8) =36810037a(9) =260065872a(10) =1879629293a(11) =13401693600a(12) =96300347984a(13) =688757565024
External references
- oeis: A264296