Expansion of modular form (E6(q)+8*E6(q^2))/9, where E6 = A013973.

Terms

a(0) =1a(1) =-56a(2) =-2296a(3) =-13664a(4) =-73976a(5) =-175056a(6) =-560224a(7) =-941248a(8) =-2367736a(9) =-3320408a(10) =-7177296a(11) =-9018912a(12) =-18050144a(13) =-20792464a(14) =-38591168a(15) =-42713664a(16) =-75768056a(17) =-79512048a(18) =-136136728a(19) =-138661600a(20) =-231248976a(21) =-229664512a(22) =-369775392a(23) =-360435264a(24) =-577727584a(25) =-547050056a(26) =-852491024a(27) =-806859200a(28) =-1243388608a(29) =-1148624400