1,1
Sequence in context: A145871 A137283 A156038 * A190471 A156421 A156423
Adjacent sequences: A156045 A156046 A156047 * A156049 A156050 A156051
more,nonn
Zak Seidov (zakseidov(AT)yahoo.com), Oct 31 2009
a(5)=7656800897 from Zak Seidov (zakseidov(AT)yahoo.com), Oct 31 2009