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A322059 Expansion of generating function related to a certain class of combinatorial objects. 1
1, 3, 8, 21, 50, 128 (list; graph; refs; listen; history; text; internal format)
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: A179903 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

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Last modified August 20 05:25 EDT 2019. Contains 326139 sequences. (Running on oeis4.)