Area of all nondecreasing Dyck paths of length 2n.

Terms

a(0) =1a(1) =6a(2) =29a(3) =122a(4) =464a(5) =1648a(6) =5583a(7) =18280a(8) =58337a(9) =182480a(10) =561686a(11) =1706136a(12) =5125069a(13) =15249762a(14) =45005309a(15) =131871638a(16) =383966228a(17) =1111712440a(18) =3202612347a(19) =9184267060a(20) =26229945521a(21) =74631504716a(22) =211620269834a(23) =598168622352