Number of solid standard Young tableaux with n cells, height <= 2, and depth <= 2.

A384725

Number of solid standard Young tableaux with n cells, height <= 2, and depth <= 2.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =7a(4) =19a(5) =55a(6) =177a(7) =543a(8) =1785a(9) =5893a(10) =20137a(11) =68129a(12) =238041a(13) =829015a(14) =2944829a(15) =10423247a(16) =37540189a(17) =134848851a(18) =490691205a(19) =1781665117a(20) =6540487427a(21) =23967631953a(22) =88616165037a(23) =327138472525

External references