0-sequence of reduction of (2n) by x^2 -> x+1.

Terms

a(0) =2a(1) =2a(2) =8a(3) =16a(4) =36a(5) =72a(6) =142a(7) =270a(8) =504a(9) =924a(10) =1672a(11) =2992a(12) =5306a(13) =9338a(14) =16328a(15) =28392a(16) =49132a(17) =84664a(18) =145350a(19) =248710a(20) =424312a(21) =721972a(22) =1225488a(23) =2075616a(24) =3508466a(25) =5919602a(26) =9970952a(27) =16768960a(28) =28161204a(29) =47229864