Auto-convolution of A008472.

Terms

a(0) =0a(1) =0a(2) =4a(3) =12a(4) =17a(5) =32a(6) =54a(7) =78a(8) =95a(9) =102a(10) =149a(11) =188a(12) =213a(13) =254a(14) =360a(15) =408a(16) =463a(17) =488a(18) =617a(19) =636a(20) =769a(21) =784a(22) =1111a(23) =1060a(24) =1231a(25) =1172a(26) =1505a(27) =1408a(28) =1756a(29) =1574