0,1
Vincenzo Librandi, Table of n, a(n) for n = 0..200
Tanya Khovanova, Recursive Sequences
a(n)=625*a(n-1), n>0 ; a(0)=5 . G.f.: 5/(1-625*x). [From Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Nov 28 2008]
(MAGMA) [5^(4*n+1): n in [0..15]]; // Vincenzo Librandi, Jun 28 2011
Sequence in context: A060345 A076908 A171980 * A137841 A204940 A172954
Adjacent sequences: A013779 A013780 A013781 * A013783 A013784 A013785
nonn,easy
N. J. A. Sloane (njas(AT)research.att.com).