A082779 a(1) = 4, a(n) = smallest palindromic multiple of a(n-1) obtained by inserting digits anywhere in a(n-1).
4, 44, 484, 48884, 488888884, 48778998889987784, 487789988899877888778998889987784
Offset: 1
Extensions
Sequence corrected and erroneous comment removed by Sean A. Irvine, Apr 19 2010
a(7) from Max Alekseyev, Nov 24 2024