an=n-th smallest integer of the form m=p1*p2 where pi are odd primes such that d+2m/d are all primes for d dividing 2m.
A128279
an=n-th smallest integer of the form m=p1*p2 where pi are odd primes such that d+2m/d are all primes for d dividing 2m.
Terms
- a(0) =15a(1) =21a(2) =35a(3) =39a(4) =51a(5) =65a(6) =95a(7) =155a(8) =221a(9) =329a(10) =371a(11) =485a(12) =519a(13) =611a(14) =905a(15) =989a(16) =1121a(17) =1199a(18) =1469a(19) =1509a(20) =1541a(21) =1661a(22) =1821a(23) =3039a(24) =3189a(25) =3431a(26) =3641a(27) =3791a(28) =4055a(29) =4109
External references
- oeis: A128279