Number of solid standard Young tableaux of shape [[n,n-2],[2]].

A215298

Number of solid standard Young tableaux of shape [[n,n-2],[2]].

Terms

    a(0) =2a(1) =25a(2) =174a(3) =962a(4) =4804a(5) =22689a(6) =103510a(7) =461318a(8) =2021916a(9) =8752042a(10) =37520972a(11) =159633060a(12) =674969224a(13) =2839400945a(14) =11893509990a(15) =49637986590a(16) =206519808300a(17) =856904298030

External references