Numbers k such that k-+1 are divisible by exactly 5 primes, counted with multiplicity.
A157485
Numbers k such that k-+1 are divisible by exactly 5 primes, counted with multiplicity.
Terms
- a(0) =271a(1) =593a(2) =701a(3) =751a(4) =919a(5) =1169a(6) =1241a(7) =1639a(8) =1649a(9) =1673a(10) =1711a(11) =1751a(12) =2071a(13) =2311a(14) =2393a(15) =2549a(16) =2551a(17) =2609a(18) =2729a(19) =2861a(20) =2863a(21) =2897a(22) =2899a(23) =3185a(24) =3331a(25) =3569a(26) =3631a(27) =3823a(28) =3849a(29) =3851
External references
- oeis: A157485