A291886 - OEIS

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A291886

Total height of all symmetrically unique Dyck paths of semilength n.

2

0, 1, 3, 8, 24, 73, 239, 808, 2839, 10173, 37107, 136778, 508622, 1902931, 7156180, 27020991, 102387426, 389129477, 1482851762, 5664065704, 21681357734, 83154466615, 319486977769, 1229491584784, 4738571829454, 18288152053984, 70672285064968, 273430196389027

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,3

LINKS

Alois P. Heinz, Table of n, a(n) for n = 0..600

FORMULA

a(n) = Sum_{k=1..n} k * A291883(n,k)

CROSSREFS

Sequence in context: A178543 A188175 A046919 * A275856 A303607 A281872

Adjacent sequences: A291883 A291884 A291885 * A291887 A291888 A291889

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Sep 05 2017

STATUS

approved