a(n) = 729000*n - 612180.

Terms

a(0) =116820a(1) =845820a(2) =1574820a(3) =2303820a(4) =3032820a(5) =3761820a(6) =4490820a(7) =5219820a(8) =5948820a(9) =6677820a(10) =7406820a(11) =8135820a(12) =8864820a(13) =9593820a(14) =10322820a(15) =11051820a(16) =11780820a(17) =12509820a(18) =13238820a(19) =13967820a(20) =14696820a(21) =15425820a(22) =16154820a(23) =16883820