Numerators of the partial alternating sums of the reciprocals of the unitary totient function (A047994).

A379519

Numerators of the partial alternating sums of the reciprocals of the unitary totient function (A047994).

Terms

    a(0) =1a(1) =0a(2) =1a(3) =1a(4) =5a(5) =-1a(6) =1a(7) =-5a(8) =11a(9) =-31a(10) =-71a(11) =-211a(12) =-47a(13) =-281a(14) =-22a(15) =-29a(16) =-359a(17) =-569a(18) =-1427a(19) =-1847a(20) =-1427a(21) =-1931a(22) =-18721a(23) =-22681a(24) =-20371a(25) =-24991a(26) =-297163a(27) =-37467a(28) =-34607a(29) =-44617

External references