Numbers that are a proper substring of the concatenation (with repetition) in decreasing order of their prime factors.
A378950
Numbers that are a proper substring of the concatenation (with repetition) in decreasing order of their prime factors.
Terms
- a(0) =95a(1) =132a(2) =995a(3) =9995a(4) =73332a(5) =85713a(6) =93115a(7) =131131a(8) =197591a(9) =632812a(10) =999995a(11) =4285713a(12) =8691315a(13) =58730137a(14) =99999995a(15) =131373333a(16) =507107133a(17) =4870313015
External references
- oeis: A378950