Antidiagonal-sums of the array A377046(n,k) = n-th term of k-th differences of nonsquarefree numbers (A013929).

A377047

Antidiagonal-sums of the array A377046(n,k) = n-th term of k-th differences of nonsquarefree numbers (A013929).

Terms

    a(0) =4a(1) =12a(2) =7a(3) =22a(4) =14a(5) =17a(6) =39a(7) =0a(8) =37a(9) =112a(10) =-337a(11) =1103a(12) =-2570a(13) =5868a(14) =-12201a(15) =24670a(16) =-47528a(17) =88283a(18) =-155910a(19) =259140a(20) =-393399a(21) =512341a(22) =-456546a(23) =-191155a(24) =2396639a(25) =-8213818a(26) =21761218a(27) =-50922953a(28) =110269343a(29) =-225991348

External references