A007318^2 * A007248.

Terms

a(0) =1a(1) =22a(2) =22a(3) =92a(4) =255a(5) =538a(6) =978a(7) =1684a(8) =3267a(9) =8350a(10) =25150a(11) =72580a(12) =178012a(13) =334564