Column 4 of A060244.

Terms

a(0) =0a(1) =0a(2) =0a(3) =2a(4) =3a(5) =8a(6) =13a(7) =26a(8) =40a(9) =69a(10) =104a(11) =165a(12) =241a(13) =363a(14) =517a(15) =750a(16) =1046a(17) =1473a(18) =2018a(19) =2779a(20) =3746a(21) =5063a(22) =6733a(23) =8959a(24) =11769a(25) =15454a(26) =20082a(27) =26068a(28) =33549a(29) =43108