G.f.: A(q) = exp( Sum_{n>=1} A162552(n) * 3*A038500(n) * q^n/n ).

Terms

a(0) =1a(1) =3a(2) =3a(3) =3a(4) =9a(5) =12a(6) =12a(7) =27a(8) =36a(9) =57a(10) =141a(11) =165a(12) =135a(13) =321a(14) =450a(15) =399a(16) =780a(17) =1068a(18) =1308a(19) =2913a(20) =3537a(21) =2736a(22) =5940a(23) =8430a(24) =7173a(25) =13251a(26) =18267a(27) =17661a(28) =35007a(29) =45051