a(1) = 1. a(n) = the smallest integer >=2 such that (product{k=1 to n} a(k)) in binary is a palindrome.
A143015
a(1) = 1. a(n) = the smallest integer >=2 such that (product{k=1 to n} a(k)) in binary is a palindrome.
Terms
- a(0) =1a(1) =3a(2) =3a(3) =3a(4) =7a(5) =13a(6) =5a(7) =13a(8) =57a(9) =223a(10) =5419a(11) =17a(12) =241a(13) =4192257a(14) =16773121a(15) =17a(16) =241
External references
- oeis: A143015