a(n) is the sum of the cubed areas under Motzkin paths of length n.

A367779

a(n) is the sum of the cubed areas under Motzkin paths of length n.

Terms

    a(0) =0a(1) =0a(2) =1a(3) =10a(4) =118a(5) =818a(6) =5092a(7) =27564a(8) =137836a(9) =644836a(10) =2870189a(11) =12266918a(12) =50724954a(13) =204046142a(14) =801892081a(15) =3089123960a(16) =11696423536a(17) =43623049688a(18) =160547844283a(19) =583940294930

External references