cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A291886 Total height of all symmetrically unique Dyck paths of semilength n.

Original entry on oeis.org

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
Offset: 0

Views

Author

Alois P. Heinz, Sep 05 2017

Keywords

Crossrefs

Cf. A291883.

Formula

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