Triangle T(n,k) in which n-th row lists in increasing order the values of the n-th derivative at x=1 of all functions that are representable as x^x^...^x with n x's and parentheses inserted in all possible ways; n>=1, 1<=k<=A000081(n).

A216350

Triangle T(n,k) in which n-th row lists in increasing order the values of the n-th derivative at x=1 of all functions that are representable as x^x^...^x with n x's and parentheses inserted in all possible ways; n>=1, 1<=k<=A000081(n).

Terms

    a(0) =1a(1) =2a(2) =9a(3) =12a(4) =56a(5) =80a(6) =100a(7) =156a(8) =480a(9) =660a(10) =890a(11) =950a(12) =1180a(13) =1360a(14) =1420a(15) =1880a(16) =3160a(17) =5094a(18) =6534a(19) =8874a(20) =10848a(21) =10974a(22) =13014a(23) =13314a(24) =14928a(25) =14988a(26) =15114a(27) =20268a(28) =21474a(29) =22008

External references