Number of solutions to +- 1^3 +- 3^3 +- 5^3 +- 7^3 +- ... +- (4*n-1)^3 = 0.

Terms

a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =0a(8) =2a(9) =6a(10) =2a(11) =10a(12) =118a(13) =88a(14) =254a(15) =3308a(16) =2558a(17) =9578a(18) =84568a(19) =121804a(20) =496396a(21) =3312400a(22) =5755724a(23) =19021024a(24) =116780256a(25) =241754350a(26) =883730786a(27) =4923089216a(28) =11668601596a(29) =42357336066