Triangle T(n,m) read by rows: T(n,m) = ( Eulerian(n,m) - Binomial(n,m)^2 )/2, n >= 4, 2 <= m = <= n-1.

A154353

Triangle T(n,m) read by rows: T(n,m) = ( Eulerian(n,m) - Binomial(n,m)^2 )/2, n >= 4, 2 <= m = <= n-1.

Terms

    a(0) =1a(1) =1a(2) =5a(3) =15a(4) =5a(5) =16a(6) =101a(7) =101a(8) =16a(9) =42a(10) =483a(11) =1008a(12) =483a(13) =42a(14) =99a(15) =1926a(16) =7197a(17) =7197a(18) =1926a(19) =99a(20) =219a(21) =6912a(22) =42549a(23) =75645a(24) =42549a(25) =6912a(26) =219a(27) =466a(28) =23272a(29) =224068

External references