a(n) = number of steps in all Delannoy paths of length n.
A109984
a(n) = number of steps in all Delannoy paths of length n.
Terms
- a(0) =0a(1) =5a(2) =44a(3) =321a(4) =2184a(5) =14325a(6) =91860a(7) =580097a(8) =3622928a(9) =22437477a(10) =138049020a(11) =844881345a(12) =5148375192a(13) =31258302933a(14) =189199514532
External references
- oeis: A109984