a(1) = 2; for n > 1, a(n) is the least positive number not yet in the sequence such that Sum_{k=1..n} a(k) divides Sum_{k=1..n} a(k)^2.
A318358
a(1) = 2; for n > 1, a(n) is the least positive number not yet in the sequence such that Sum_{k=1..n} a(k) divides Sum_{k=1..n} a(k)^2.
Terms
- a(0) =2a(1) =6a(2) =5a(3) =13a(4) =9a(5) =20a(6) =30a(7) =19a(8) =52a(9) =78a(10) =18a(11) =7a(12) =43a(13) =151a(14) =79a(15) =126a(16) =88a(17) =373a(18) =183a(19) =84a(20) =177a(21) =521a(22) =263a(23) =2347a(24) =1305a(25) =392a(26) =294a(27) =1207a(28) =3946a(29) =1973
External references
- oeis: A318358