Start with 7; thereafter, in order of appearance, the prime factors of A220294.

A255772

Start with 7; thereafter, in order of appearance, the prime factors of A220294.

Terms

    a(0) =7a(1) =3a(2) =13a(3) =241a(4) =97a(5) =673a(6) =193a(7) =22253377a(9) =769

External references