Column 0 of triangle A185628; also, equals row sums of triangle A185624.
A185629
Column 0 of triangle A185628; also, equals row sums of triangle A185624.
Terms
- a(0) =1a(1) =3a(2) =6a(3) =16a(4) =60a(5) =305a(6) =1988a(7) =15951a(8) =153171a(9) =1722693a(10) =22296396a(11) =327270440a(12) =5381716953a(13) =98134088419
External references
- oeis: A185629