A166066 a(n)=(Concatenation of A166064(1..n))/(Sum of A166064(1..n)).

1, 10, 34, 114, 604, 38030, 5432858, 1686059380, 1311379517778, 809149064160894, 457784289977786218, 1525947633259287393334, 12047520385077724826639078, 349766720857095236902424845162, 18224272090946071153017209199760102

Offset

1,2

Links

Zak Seidov, Table of n, a(n) for n = 1..33

Maple

A166064(1..7)=1, 0, 2, 6, 8, 10, 162; hence a(1)=1/1=1, a(2)=10/(1+0)=10, a(3)=102/(1+0+2)=34, a(4)=1026/(1+0+2+6)=34, a(5)=10268/(1+0+2+6+8)=604, a(6)=1026810/(1+0+2+6+8+10)=38030, a(7)=1026810162/(1+0+2+6+8+10+162)=5432858.

Crossrefs

Cf. A166064.

Sequence in context: A119229 A119227 A218631 * A232583 A068078 A067806

Adjacent sequences: A166063 A166064 A166065 * A166067 A166068 A166069

Keyword

base,nonn

Author

Zak Seidov, Oct 05 2009

Status

approved