Lexicographically earliest sequence of positive distinct terms such that the digital root of a(n) is the number of distinct prime factors of a(n+1).
A337096
Lexicographically earliest sequence of positive distinct terms such that the digital root of a(n) is the number of distinct prime factors of a(n+1).
Terms
- a(0) =1a(1) =2a(2) =6a(3) =30030a(4) =39270a(5) =30a(6) =42a(7) =43890a(8) =46410a(9) =51870a(10) =66a(11) =70a(12) =510510a(13) =78a(14) =53130a(15) =102a(16) =105a(17) =62790a(18) =66990a(19) =110a(20) =10a(21) =3a(22) =114a(23) =67830a(24) =71610a(25) =72930a(26) =130a(27) =210a(28) =138a(29) =154
External references
- oeis: A337096