A322060 Expansion of generating function related to a certain class of combinatorial objects.

1, 4, 10, 26, 54, 144

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. A322059.

Sequence in context: A200455 A269064 A307415 * A022812 A192306 A276432

Adjacent sequences: A322057 A322058 A322059 * A322061 A322062 A322063

Keyword

nonn,more

Author

N. J. A. Sloane, Dec 25 2018

Status

approved