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

A377048

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

Terms

    a(0) =4a(1) =12a(2) =13a(3) =22a(4) =28a(5) =31a(6) =39a(7) =64a(8) =85a(9) =132a(10) =395a(11) =1103a(12) =2650a(13) =5868a(14) =12297a(15) =24694a(16) =47740a(17) =88731a(18) =157744a(19) =265744a(20) =418463a(21) =605929a(22) =805692a(23) =1104513a(24) =2396645a(25) =8213998a(26) =21761334a(27) =50923517a(28) =110270883a(29) =225997492

External references