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A068200 One of a family of sequences that interpolates between the Bell numbers and the factorials. 3
1, 2, 6, 24, 120, 696, 4536, 32568, 254136, 2133816, 19130040 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

REFERENCES

G. Labelle et al., Stirling numbers interpolation using permutations with forbidden subsequences, Discrete Math. 246 (2002), 177-195.

LINKS

Table of n, a(n) for n=0..10.

CROSSREFS

Cf. A000110, A001861, A068199, this, A068201, ..., A000142.

Sequence in context: A214611 A177528 A177527 * A189847 A189284 A274970

Adjacent sequences:  A068197 A068198 A068199 * A068201 A068202 A068203

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Mar 23 2002

STATUS

approved

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Last modified July 11 07:39 EDT 2020. Contains 335626 sequences. (Running on oeis4.)