First term of the n-th differences of the nonsquarefree numbers. Inverse zero-based binomial transform of A013929.

A377049

First term of the n-th differences of the nonsquarefree numbers. Inverse zero-based binomial transform of A013929.

Terms

    a(0) =4a(1) =4a(2) =-3a(3) =5a(4) =-6a(5) =4a(6) =3a(7) =-15a(8) =25a(9) =-10a(10) =-84a(11) =369a(12) =-1067a(13) =2610a(14) =-5824a(15) =12246a(16) =-24622a(17) =47577a(18) =-88233a(19) =155962a(20) =-259086a(21) =393455a(22) =-512281a(23) =456609a(24) =191219a(25) =-2396571a(26) =8213890a(27) =-21761143a(28) =50923029a(29) =-110269263

External references