Convolution of A014306 with itself.

Terms

a(0) =0a(1) =0a(2) =1a(3) =2a(4) =1a(5) =2a(6) =4a(7) =4a(8) =5a(9) =6a(10) =5a(11) =6a(12) =9a(13) =8a(14) =9a(15) =10a(16) =11a(17) =12a(18) =14a(19) =14a(20) =13a(21) =14a(22) =17a(23) =16a(24) =17a(25) =18a(26) =19a(27) =20a(28) =23a(29) =22