A083161 a(n) = (concatenation of the first n terms of A099552)/n.

1, 6, 41, 308, 2465, 20542, 176075, 1540657, 13694729, 1232525611, 11204778282, 1027104675851, 9480966238625, 880375436443751, 8216837406808343, 77032850688828216, 725015065306618504, 68473645056736192045

Offset

1,2

Links

Table of n, a(n) for n=1..18.

Crossrefs

Cf. A073893.

Sequence in context: A078009 A127848 A113573 * A077147 A100770 A084397

Adjacent sequences: A083158 A083159 A083160 * A083162 A083163 A083164

Keyword

base,nonn

Author

Amarnath Murthy, Apr 25 2003

Extensions

Corrected and extended by David Wasserman, Oct 21 2004

Status

approved