a(n+1) is the least multiple of a(n) such that the digit reversal of the concatenation of the first n+1 terms is prime.

A110746

a(n+1) is the least multiple of a(n) such that the digit reversal of the concatenation of the first n+1 terms is prime.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =4a(4) =8a(5) =136a(6) =272a(7) =1360a(8) =14960a(9) =254320a(10) =6103680a(11) =30518400a(12) =335702400a(13) =8056857600a(14) =499525171200

External references