Number of different coefficient values in expansion of Product_{i=1..n} (1 + (-q)^i).

Terms

a(0) =2a(1) =2a(2) =3a(3) =4a(4) =6a(5) =10a(6) =13a(7) =17a(8) =36a(9) =48a(10) =33a(11) =39a(12) =86a(13) =100a(14) =60a(15) =68a(16) =148a(17) =166a(18) =95a(19) =105a(20) =226a(21) =248a(22) =138a(23) =150a(24) =320a(25) =346a(26) =189a(27) =203a(28) =430a(29) =460