Number of n X 6 0..1 arrays with rows unimodal and antidiagonals nondecreasing.
A224407
Number of n X 6 0..1 arrays with rows unimodal and antidiagonals nondecreasing.
Terms
- a(0) =22a(1) =169a(2) =879a(3) =3902a(4) =16420a(5) =68282a(6) =284254a(7) =1187830a(8) =4979464a(9) =20913026a(10) =87905004a(11) =369597368a(12) =1554028138a(13) =6533901986a(14) =27470619810a(15) =115492192540a(16) =485546657850
External references
- oeis: A224407