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%I #5 Apr 14 2019 11:55:31
%S 1,1,4,8,17,36,76,160,338,714,1508,3184,6723,14196,29976,63296,133653,
%T 282217,595920,1258324,2657032,5610494,11846920,25015536,52821917,
%U 111536883,235517320,497310008,1050102149,2217358398,4682095232,9886545984,20876079330,44081187594,93080269957
%N G.f. A(x) satisfies: A(x) = 1/(1 - x^a(0) - x^a(1) - x^a(2) - x^a(3) - ...) - x.
%e G.f.: A(x) = 1 + x + 4*x^2 + 8*x^3 + 17*x^4 + 36*x^5 + 76*x^6 + 160*x^7 + 338*x^8 + ... = 1/(1 - 2*x - x^4 - x^8 - x^17 - x^36 - x^76 - x^160 - x^338 - ...) - x.
%Y Cf. A057601, A151945.
%K nonn
%O 0,3
%A _Ilya Gutkovskiy_, Apr 14 2019
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