Smallest positive m such that m*n is free of prime gaps in canonical factorization.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =1a(7) =1a(8) =1a(9) =3a(10) =1a(11) =1a(12) =1a(13) =15a(14) =1a(15) =1a(16) =1a(17) =1a(18) =1a(19) =3a(20) =5a(21) =105a(22) =1a(23) =1a(24) =1a(25) =1155a(26) =1a(27) =15a(28) =1a(29) =1