Number of 6Xn 0..2 arrays with rows nondecreasing and antidiagonals unimodal.

A224016

Number of 6Xn 0..2 arrays with rows nondecreasing and antidiagonals unimodal.

Terms

    a(0) =729a(1) =46656a(2) =534352a(3) =3094127a(4) =13275381a(5) =47735665a(6) =150787422a(7) =430109607a(8) =1128769430a(9) =2762176256a(10) =6366017979a(11) =13926332849a(12) =29098170483a(13) =58367669325a(14) =112877225362a(15) =211218704199a(16) =383609908528a(17) =678009948228

External references