This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A082778 #12 Nov 25 2024 00:59:32 %S A082778 3,33,363,36663,36699663,36699699699663,2363336999698969996333632 %N A082778 a(1) = 3; for n>1, a(n) = smallest palindromic multiple of a(n-1) obtained by inserting digits anywhere in a(n-1). %Y A082778 Cf. A082776, A082777, A082779, A082780. %K A082778 base,nonn,more %O A082778 1,1 %A A082778 _Amarnath Murthy_, Apr 19 2003 %E A082778 Corrected by _Ray Chandler_, Oct 13 2003 %E A082778 Terms a(7) onward from _Ray G. Opao_, Sep 09 2004 %E A082778 a(7) corrected, incorrect terms a(8) onward removed by _Max Alekseyev_, Nov 24 2024