# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a029840 Showing 1-1 of 1 %I A029840 #13 Aug 11 2018 11:35:51 %S A029840 1,3,0,-5,3,9,-7,-15,9,27,-12,-45,22,66,-36,-99,51,153,-73,-222,108, %T A029840 311,-159,-441,221,624,-297,-863,414,1170,-575,-1584,765,2144,-1014, %U A029840 -2862,1361,3774,-1809,-4964,2361,6516,-3063,-8481 %N A029840 Expansion of Product_{m>=1} ((1+q^(2*m-1))/(1+q^(2*m)))^3. %H A029840 Seiichi Manyama, Table of n, a(n) for n = 0..10000 %F A029840 G.f.: x^(3/8)*theta_2(sqrt(x))^3/theta_2(x)^3, where theta_() is the Jacobi theta function. - _Ilya Gutkovskiy_, Dec 04 2017 %Y A029840 Cf. A029838, A029839, A029841, A029842, A029843, A029844. %K A029840 sign %O A029840 0,2 %A A029840 _N. J. A. Sloane_ # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE