Numbers k that divide the k-th NSW number.

Terms

a(0) =1a(1) =7a(2) =217a(3) =3937a(4) =6727a(5) =6847a(6) =51943a(7) =170671a(8) =330337a(9) =385687a(10) =2484247a(11) =2566537a(12) =2904007a(13) =3020857a(14) =3696967a(15) =6465577a(16) =9405337a(17) =12021439a(18) =19384207