Number of n X 5 0..1 arrays with rows, diagonals and antidiagonals unimodal and columns nondecreasing.

A223835

Number of n X 5 0..1 arrays with rows, diagonals and antidiagonals unimodal and columns nondecreasing.

Terms

    a(0) =16a(1) =86a(2) =255a(3) =596a(4) =1240a(5) =2388a(6) =4325a(7) =7436a(8) =12222a(9) =19316a(10) =29499a(11) =43716a(12) =63092a(13) =88948a(14) =122817a(15) =166460a(16) =221882a(17) =291348a(18) =377399a(19) =482868a(20) =610896a(21) =764948a(22) =948829a(23) =1166700a(24) =1423094a(25) =1722932a(26) =2071539a(27) =2474660a(28) =2938476a(29) =3469620

External references