0,2

G.f.: (1-25*x)^(-3/5).

a(n) = (5^n/n!) * product[ k=0..n-1 ] (5*k+3).

a(n) ~ Gamma(3/5)^-1*n^(-2/5)*5^(2*n)*{1 - 3/25*n^-1 + ...}. - Joe Keane (jgk(AT)jgk.org), Nov 24 2001

(1-x)^(-3/5) = 1 + 3/5*x + 12/25*x^2 + 52/125*x^3 + ...

Cf. A049382, A049392, A049396, A049380, A049382.

Sequence in context: A160397 A144349 A009064 this_sequence A051691 A135390 A105491

Adjacent sequences: A049378 A049379 A049380 this_sequence A049382 A049383 A049384

nonn,easy

Joe Keane (jgk(AT)jgk.org)