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

Terms

a(0) =0a(1) =1a(2) =0a(3) =1a(4) =1a(5) =1a(6) =3a(7) =1a(8) =5a(9) =5a(10) =7a(11) =14a(12) =10a(13) =27a(14) =27a(15) =44a(16) =69a(17) =73a(18) =144a(19) =158a(20) =260a(21) =366a(22) =466a(23) =775a(24) =940a(25) =1490a(26) =2031a(27) =2803a(28) =4264a(29) =5551