G.f.: Product_{m>0} (1 + x^m + 2!*x^(2*m) + 3!*x^(3*m) + 4!*x^(4*m) + 5!*x^(5*m)).

Terms

a(0) =1a(1) =1a(2) =3a(3) =8a(4) =30a(5) =133a(6) =48a(7) =181a(8) =262a(9) =530a(10) =738a(11) =1750a(12) =1939a(13) =5672a(14) =6704a(15) =20065a(16) =11306a(17) =20362a(18) =36780a(19) =53926a(20) =77234a(21) =116988a(22) =146955a(23) =219604a(24) =353518a(25) =479638a(26) =643753a(27) =1156116a(28) =1393784a(29) =1778612