Expansion of 1/(1 - Sum_{k>=1} x^(k+floor(1/2+sqrt(k)))).

Terms

a(0) =1a(1) =0a(2) =1a(3) =1a(4) =1a(5) =3a(6) =3a(7) =6a(8) =9a(9) =12a(10) =22a(11) =30a(12) =49a(13) =76a(14) =113a(15) =181a(16) =271a(17) =423a(18) =653a(19) =998a(20) =1553a(21) =2378a(22) =3674a(23) =5667a(24) =8715a(25) =13463a(26) =20721a(27) =31952a(28) =49261a(29) =75883