Number of compositions (ordered partitions) of n into an even number of squares.

Terms

a(0) =1a(1) =0a(2) =1a(3) =0a(4) =1a(5) =2a(6) =1a(7) =4a(8) =2a(9) =6a(10) =9a(11) =8a(12) =20a(13) =16a(14) =35a(15) =44a(16) =55a(17) =102a(18) =105a(19) =196a(20) =242a(21) =344a(22) =540a(23) =652a(24) =1084a(25) =1380a(26) =2037a(27) =2964a(28) =3912a(29) =6042