Antidiagonal-sums of absolute value of the array A377038(n,k) = n-th term of k-th differences of squarefree numbers (A005117).

A377040

Antidiagonal-sums of absolute value of the array A377038(n,k) = n-th term of k-th differences of squarefree numbers (A005117).

Terms

    a(0) =1a(1) =3a(2) =4a(3) =9a(4) =13a(5) =18a(6) =28a(7) =39a(8) =106a(9) =267a(10) =595a(11) =1212a(12) =2286a(13) =4041a(14) =6720a(15) =10497a(16) =15387a(17) =20914a(18) =25894a(19) =29377a(20) =37980a(21) =70785a(22) =175737a(23) =343806a(24) =579751a(25) =861934a(26) =1162080a(27) =1431880a(28) =1688435a(29) =2589533

External references