a(1) = 393; for n > 1, a(n) = a(n-1) + 1 + sum of distinct prime factors of a(n-1) that are < a(n-1). edit.

A105210

a(1) = 393; for n > 1, a(n) = a(n-1) + 1 + sum of distinct prime factors of a(n-1) that are < a(n-1). edit.

Terms

    a(0) =393a(1) =528a(2) =545a(3) =660a(4) =682a(5) =727a(6) =728a(7) =751a(8) =752a(9) =802a(10) =1206a(11) =1279a(12) =1280a(13) =1288a(14) =1321a(15) =1322a(16) =1986a(17) =2323a(18) =2448a(19) =2471a(20) =2832a(21) =2897a(22) =2898a(23) =2934a(24) =3103a(25) =3240a(26) =3251a(27) =3252a(28) =3529a(29) =3530

External references