Brilliant star numbers: semiprimes of the form 6n^2 - 6n + 1 such that both prime factors have the same number of decimal digits.

A083749

Brilliant star numbers: semiprimes of the form 6n^2 - 6n + 1 such that both prime factors have the same number of decimal digits.

Terms

    a(0) =121a(1) =253a(2) =793a(3) =1261a(4) =1633a(5) =2773a(6) =3901a(7) =11881a(8) =19153a(9) =24961a(10) =49141a(11) =50233a(12) =59401a(13) =90037a(14) =128773a(15) =162361a(16) =186913a(17) =197653a(18) =268393a(19) =294373a(20) =422941a(21) =492493a(22) =1425937a(23) =1515037a(24) =1663213a(25) =1811701a(26) =2092141a(27) =2185273a(28) =2601733a(29) =3020341

External references