Column 1 of A286783.A287041Column 1 of A286783.Terms a(0) =5a(1) =77a(2) =1044a(3) =14784a(4) =227877a(5) =3862305a(6) =71983440a(7) =1469813400a(8) =32718512925a(9) =789901955325External referencesoeis: A287041