Numbers k such that the k-th composite number divides the sum of the first k composite numbers.

A330579

Numbers k such that the k-th composite number divides the sum of the first k composite numbers.

Terms

    a(0) =1a(1) =4a(2) =493a(3) =1565a(4) =6210a(5) =26375a(6) =64019a(7) =289862a(8) =870828a(9) =1244485a(10) =3313113a(11) =4300012a(12) =7946206a(13) =1447234860a(14) =4147639664a(15) =7190149312a(16) =23828369695a(17) =39710847388a(18) =494027033160a(19) =982853084580

External references