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A038559 2*A040027(n-1) + Bell(n), where Bell = A000110. 3
1, 3, 4, 11, 33, 114, 445, 1923, 9078, 46369, 254297, 1487896, 9239135, 60615819, 418583924, 3032405831, 22979752405, 181697363626, 1495586215841, 12789423056183, 113415288869750, 1041244540823413, 9881851825756365 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..22.

H. W. Gould & J. Quaintance, A linear binomial recurrence and the Bell numbers and polynomials, Applic. Anal. Discr. Math 1 (2007) 371-385.

MAPLE

A038559 := proc(n)

    2*A040027(n-1)+combinat[bell](n) ;

end proc: # R. J. Mathar, Dec 20 2013

CROSSREFS

Cf. A040027.

Sequence in context: A019169 A049979 A084378 * A242044 A275309 A119042

Adjacent sequences:  A038556 A038557 A038558 * A038560 A038561 A038562

KEYWORD

easy,nonn

AUTHOR

Henry Gould

STATUS

approved

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Last modified July 6 23:01 EDT 2020. Contains 335484 sequences. (Running on oeis4.)