Expansion of 1/(1 - x*(1 + 4*x)^(3/2))^2.

Terms

a(0) =1a(1) =2a(2) =15a(3) =52a(4) =213a(5) =834a(6) =3043a(7) =11576a(8) =41601a(9) =152458a(10) =544039a(11) =1950132a(12) =6895773a(13) =24403302a(14) =85542339a(15) =300101048a(16) =1044436937a(17) =3639851814a(18) =12594713911a(19) =43660404108a(20) =150357976533a(21) =518991977194