a(n) = 36-n.

Terms

a(0) =36a(1) =35a(2) =34a(3) =33a(4) =32a(5) =31a(6) =30a(7) =29a(8) =28a(9) =27a(10) =26a(11) =25a(12) =24a(13) =23a(14) =22a(15) =21a(16) =20a(17) =19a(18) =18a(19) =17a(20) =16a(21) =15a(22) =14a(23) =13a(24) =12a(25) =11a(26) =10a(27) =9a(28) =8a(29) =7