A095132 Denominators of average numbers of trees in a forest on n nodes.

1, 2, 1, 6, 5, 20, 37, 2, 51, 329, 710, 1601, 118, 8599, 20514, 49905, 122963, 307199, 775529, 988939, 282591, 6592078, 131812, 45164337, 119237493, 19774239, 168670563, 4514955632, 4044075790, 32717113805, 22129966762, 240235675303

Offset

1,2

Links

Table of n, a(n) for n=1..32.

Eric Weisstein's World of Mathematics, Forest

Formula

Denominators of A005196/A005195.

Example

1, 3/2, 2, 13/6, 12/5, 49/20, 93/37, 5/2, 127/51, ...

Crossrefs

Cf. A005195, A005196, A095131.

Sequence in context: A114852 A188048 A191529 * A028940 A376980 A374625

Adjacent sequences: A095129 A095130 A095131 * A095133 A095134 A095135

Keyword

nonn

Author

Eric W. Weisstein, May 29 2004

Extensions

More terms from Vladeta Jovovic, Jun 03 2004

Status

approved