Irregular triangle read by rows: T(r,c) is the product of the number of standard Young tableaux (A117506) and the number of semistandard Young tableaux (A262030) for partitions of r.
A380611
Irregular triangle read by rows: T(r,c) is the product of the number of standard Young tableaux (A117506) and the number of semistandard Young tableaux (A262030) for partitions of r.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =1a(4) =10a(5) =16a(6) =1a(7) =35a(8) =135a(9) =40a(10) =45a(11) =1a(12) =126a(13) =896a(14) =875a(15) =756a(16) =375a(17) =96a(18) =1a(19) =462a(20) =5250a(21) =10206a(22) =8400a(23) =2450a(24) =14336a(25) =2800a(26) =875a(27) =1701a(28) =175a(29) =1
External references
- oeis: A380611