Convolution of Catalan numbers A000108(n+1), n >= 0, with A020918.

A041005

Convolution of Catalan numbers A000108(n+1), n >= 0, with A020918.

Terms

    a(0) =1a(1) =16a(2) =159a(3) =1260a(4) =8722a(5) =55152a(6) =326811a(7) =1844084a(8) =10015566a(9) =52754624a(10) =270976342a(11) =1362986520a(12) =6734927460a(13) =32775704608a(14) =157408497171a(15) =747269225028

External references