Triangle read by rows: T(n, k) = Sum_{i=0..n-k} Stirling1(i + m, m)*binomial(n+m+1, n-k-i)*(n + m - k)!/(i + m)!, for m = 2.

A376634

Triangle read by rows: T(n, k) = Sum_{i=0..n-k} Stirling1(i + m, m)*binomial(n+m+1, n-k-i)*(n + m - k)!/(i + m)!, for m = 2.

Terms

    a(0) =1a(1) =9a(2) =1a(3) =71a(4) =12a(5) =1a(6) =580a(7) =119a(8) =15a(9) =1a(10) =5104a(11) =1175a(12) =179a(13) =18a(14) =1a(15) =48860a(16) =12154a(17) =2070a(18) =251a(19) =21a(20) =1a(21) =509004a(22) =133938a(23) =24574a(24) =3325a(25) =335a(26) =24a(27) =1a(28) =5753736a(29) =1580508

External references