Number of partitions of n with even crank minus number of partitions of n with odd crank.

Terms

a(0) =1a(1) =-1a(2) =2a(3) =-1a(4) =5a(5) =-5a(6) =3a(7) =-5a(8) =6a(9) =-10a(10) =10a(11) =-8a(12) =13a(13) =-15a(14) =15a(15) =-16a(16) =23a(17) =-27a(18) =25a(19) =-30a(20) =35a(21) =-40a(22) =42a(23) =-45a(24) =55a(25) =-66a(26) =68a(27) =-70a(28) =86a(29) =-95