A152086 a(n) = Sum_{k=1..n-1} k*A110971(n,k).

1, 3, 8, 21, 52, 126, 296, 685, 1556, 3498, 7768

Offset

2,2

Links

Table of n, a(n) for n=2..12.

M. A. Michels and U. Knauer, The congruence classes of paths and cycles, Discr. Math., 309 (2009), 5352-5359. See p. 5356.

Crossrefs

Cf. A110971, A102699.

Sequence in context: A259714 A096770 A007835 * A014396 A170881 A039671

Adjacent sequences: A152083 A152084 A152085 * A152087 A152088 A152089

Keyword

nonn,more

Author

N. J. A. Sloane, Sep 20 2009

Status

approved