a(1) = 1; a(n) = smallest multiple of a(n-1) which is a palindromic triangular number.
A069502
a(1) = 1; a(n) = smallest multiple of a(n-1) which is a palindromic triangular number.
Terms
- a(0) =1a(1) =3a(2) =6a(3) =66a(4) =8778a(5) =6172882716
External references
- oeis: A069502