Number of Young tableaux with 3 n-length rows, increasing entries down the columns and monotonic entries along the rows (first row increasing).

A208616

Number of Young tableaux with 3 n-length rows, increasing entries down the columns and monotonic entries along the rows (first row increasing).

Terms

    a(0) =1a(1) =1a(2) =10a(3) =53a(4) =491a(5) =6091a(6) =87781a(7) =1386529a(8) =23374495a(9) =414325055a(10) =7646034683a(11) =145862292213

External references