Heptagonal numbers which are products of three distinct primes.

Terms

a(0) =286a(1) =874a(2) =970a(3) =1918a(4) =3367a(5) =3553a(6) =4558a(7) =6682a(8) =8323a(9) =8614a(10) =11122a(11) =11458a(12) =12145a(13) =14707a(14) =16687a(15) =17098a(16) =17935a(17) =18361a(18) =19669a(19) =21022a(20) =27931a(21) =30085a(22) =33466a(23) =38254a(24) =42055a(25) =42706a(26) =44023a(27) =44689a(28) =46717a(29) =48094