Number of (3+1)X(n+1) arrays of permutations of 0..n*4+3 with each element having index change +-(.,.) 0,0 1,-2 or 1,1.
A264143
Number of (3+1)X(n+1) arrays of permutations of 0..n*4+3 with each element having index change +-(.,.) 0,0 1,-2 or 1,1.
Terms
- a(0) =8a(1) =125a(2) =1440a(3) =15488a(4) =168948a(5) =1903336a(6) =20768650a(7) =228712964a(8) =2514024565a(9) =27630491593a(10) =304037924437
External references
- oeis: A264143