Least positive integer not already in the sequence with the property that the concatenation a(0)a(1)...a(n) forms an integer with n distinct prime factors
8fb3377a4d
new file: oeis-research/Giorgos Kalogeropoulos/Least positive integer not already in the sequence with the property that the concatenation a(0)a(1)...a(n) forms an integer with n distinct prime factors/prog.sf
trizen
e743bcaf8d
Update.