Number of 5 X n 0..3 arrays with antidiagonals unimodal and rows and diagonals nondecreasing.
A223965
Number of 5 X n 0..3 arrays with antidiagonals unimodal and rows and diagonals nondecreasing.
Terms
- a(0) =1024a(1) =48620a(2) =485714a(3) =2575955a(4) =9779558a(5) =30643468a(6) =85350934a(7) =220335341a(8) =539722230a(9) =1270939682a(10) =2897487924a(11) =6419463692a(12) =13849588776a(13) =29130616029a(14) =59785815715a(15) =119811736276a(16) =234625138625a(17) =449330010578a(18) =842238087946
External references
- oeis: A223965