A322059 Expansion of generating function related to a certain class of combinatorial objects.

1, 3, 8, 21, 50, 128

Offset

1,2

Comments

For precise definition see Example 15.3.6 of Miklos Bona, editor, Handbook of Enumerative Combinatorics, CRC Press, 2015, pages 1001-1002.

References

Miklos Bona, editor, Handbook of Enumerative Combinatorics, CRC Press, 2015, page 1002.

Links

Table of n, a(n) for n=1..6.

Crossrefs

Cf. A322060.

Sequence in context: A363601 A193045 A238831 * A259714 A096770 A007835

Adjacent sequences: A322056 A322057 A322058 * A322060 A322061 A322062

Keyword

nonn,more

Author

N. J. A. Sloane, Dec 25 2018

Status

approved