G.f.: exp( Integral (theta_3(x)^8-1)/(16x) dx ), where theta_3(x) = 1 + Sum_{n>=1} 2*x^(n^2) is a Jacobi theta function.

A177155

G.f.: exp( Integral (theta_3(x)^8-1)/(16x) dx ), where theta_3(x) = 1 + Sum_{n>=1} 2*x^(n^2) is a Jacobi theta function.

Terms

    a(0) =1a(1) =1a(2) =4a(3) =13a(4) =35a(5) =87a(6) =217a(7) =539a(8) =1291a(9) =2999a(10) =6880a(11) =15595a(12) =34738a(13) =76202a(14) =165282a(15) =354655a(16) =752546a(17) =1580514a(18) =3289337a(19) =6787085a(20) =13887937a(21) =28195434a(22) =56824772a(23) =113729640a(24) =226104615a(25) =446665922a(26) =877063515a(27) =1712252521a(28) =3324245063a(29) =6419561961

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