First differences of A065094 and also arithmetic means of initial terms of A065094.

Terms

a(0) =1a(1) =1a(2) =2a(3) =2a(4) =3a(5) =4a(6) =6a(7) =7a(8) =9a(9) =12a(10) =15a(11) =19a(12) =24a(13) =30a(14) =37a(15) =45a(16) =55a(17) =68a(18) =82a(19) =99a(20) =119a(21) =143a(22) =171a(23) =203a(24) =241a(25) =286a(26) =338a(27) =398a(28) =468a(29) =548