a(n)=a(n-1) + prime(n) for n prime, and a(n)=-a(n-1) otherwise, with a(0)=0, with duplicates removed afterwards.

A378677

a(n)=a(n-1) + prime(n) for n prime, and a(n)=-a(n-1) otherwise, with a(0)=0, with duplicates removed afterwards.

Terms

    a(0) =0a(1) =3a(2) =8a(3) =-8a(4) =-3a(5) =14a(6) =-14a(7) =17a(8) =-17a(9) =24a(10) =-24a(11) =35a(12) =-35a(13) =32a(14) =-32a(15) =51a(16) =-51a(17) =58a(18) =-58a(19) =69a(20) =-69a(21) =88a(22) =-88a(23) =91a(24) =-91a(25) =100a(26) =-100a(27) =111a(28) =-111a(29) =130

External references