n-th term of the 'Reverse and Add!' sequence starting with n.

Terms

a(0) =1a(1) =4a(2) =12a(3) =77a(4) =44a(5) =363a(6) =484a(7) =4444a(8) =79497a(9) =14003a(10) =88088a(11) =175857a(12) =1596595a(13) =1716517a(14) =17794887a(15) =13528163a(16) =176599676a(17) =839546037a(18) =1317544822a(19) =853595347a(20) =8836886388a(21) =13236127322a(22) =13297007933a(23) =668823329856a(24) =175304440267a(25) =909153350908