Expansion of (1/(1-x-2x^2))*c(x/(1-x-2x^2)), c(x) the g.f. of A000108.

A179533

Expansion of (1/(1-x-2x^2))*c(x/(1-x-2x^2)), c(x) the g.f. of A000108.

Terms

    a(0) =1a(1) =2a(2) =7a(3) =23a(4) =85a(5) =332a(6) =1369a(7) =5870a(8) =25945a(9) =117374a(10) =540805a(11) =2528675a(12) =11966923a(13) =57206972a(14) =275824159a(15) =1339721519a(16) =6549093013a(17) =32195473406a(18) =159065828029a(19) =789395034701

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