A095131 Numerators of average numbers of trees in a forest on n nodes.

1, 3, 2, 13, 12, 49, 93, 5, 127, 803, 1703, 3755, 271, 19338, 45275, 108229, 262604, 647083, 1613941, 2036099, 576341, 13331695, 264583, 90049334, 236302157, 38973748, 330784573, 8814122981, 7861906901, 63359160443, 42703885427

Offset

1,2

Links

Table of n, a(n) for n=1..31.

Eric Weisstein's World of Mathematics, Forest

Formula

Numerators of A005196/A005195.

Example

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

Crossrefs

Cf. A005195, A005196, A095132.

Sequence in context: A084416 A210604 A005352 * A060149 A376467 A059374

Adjacent sequences: A095128 A095129 A095130 * A095132 A095133 A095134

Keyword

nonn

Author

Eric W. Weisstein, May 29 2004

Extensions

More terms from Vladeta Jovovic, Jun 03 2004

Status

approved