Numbers k such that k = Sum_{j=1..i} (j^k mod k) for some i>=1.

Terms

a(0) =2a(1) =3a(2) =4a(3) =8a(4) =9a(5) =14a(6) =16a(7) =27a(8) =30a(9) =32a(10) =64a(11) =81a(12) =98a(13) =99a(14) =128a(15) =153a(16) =171a(17) =243a(18) =256a(19) =375a(20) =512a(21) =513a(22) =561a(23) =621a(24) =686a(25) =729a(26) =750a(27) =978a(28) =1024a(29) =1199