Number of (4+1)X(n+1) arrays of permutations of 0..n*5+4 with each element having directed index change -1,-1 1,0 -1,-2 -2,-2 or 0,1.
A264679
Number of (4+1)X(n+1) arrays of permutations of 0..n*5+4 with each element having directed index change -1,-1 1,0 -1,-2 -2,-2 or 0,1.
Terms
- a(0) =0a(1) =19a(2) =145a(3) =890a(4) =9205a(5) =88687a(6) =714235a(7) =5871821a(8) =50048019a(9) =422792433a(10) =3525222983a(11) =29504247476a(12) =247603962409
External references
- oeis: A264679