Sum of positive integers in smallest positive reduced residue system modulo n. a(1) = 1 by convention.

A023896

Sum of positive integers in smallest positive reduced residue system modulo n. a(1) = 1 by convention.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =4a(4) =10a(5) =6a(6) =21a(7) =16a(8) =27a(9) =20a(10) =55a(11) =24a(12) =78a(13) =42a(14) =60a(15) =64a(16) =136a(17) =54a(18) =171a(19) =80a(20) =126a(21) =110a(22) =253a(23) =96a(24) =250a(25) =156a(26) =243a(27) =168a(28) =406a(29) =120

External references