A(n,k) is (1/n) times the n-th derivative of the k-th tetration of x (power tower of order k) x^^k at x=1; square array A(n,k), n>=1, k>=1, read by antidiagonals.

A295028

A(n,k) is (1/n) times the n-th derivative of the k-th tetration of x (power tower of order k) x^^k at x=1; square array A(n,k), n>=1, k>=1, read by antidiagonals.

Terms

    a(0) =1a(1) =1a(2) =0a(3) =1a(4) =1a(5) =0a(6) =1a(7) =1a(8) =1a(9) =0a(10) =1a(11) =1a(12) =3a(13) =2a(14) =0a(15) =1a(16) =1a(17) =3a(18) =8a(19) =2a(20) =0a(21) =1a(22) =1a(23) =3a(24) =14a(25) =36a(26) =9a(27) =0a(28) =1a(29) =1

External references