Numbers that are a proper substring of the concatenation (with repetition) in increasing order of their prime factors.
A378893
Numbers that are a proper substring of the concatenation (with repetition) in increasing order of their prime factors.
Terms
- a(0) =333a(1) =22564a(2) =113113a(3) =210526a(4) =252310a(5) =1143241a(6) =3331233a(7) =3710027a(8) =31373137a(9) =217893044a(10) =433100023a(11) =2263178956
External references
- oeis: A378893