Glaisher's function T_1(n).

Terms

a(0) =19a(1) =-145a(2) =100a(3) =2191a(4) =-8598a(5) =14516a(6) =-29080a(7) =114575a(8) =-320417a(9) =615666a(10) =-1125492a(11) =2139700a(12) =-3664750a(13) =5997448a(14) =-10103304a(15) =15992719a(16) =-23857290a(17) =36059435a(18) =-53341900a(19) =75622578a(20) =-105762592a(21) =145414140a(22) =-198974280a(23) =271923764a(24) =-359683403a(25) =468557626