a(1) = 1, a(n+1) is the sum of a(n) and floor( arithmetic mean of a(1) ... a(n) ).

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =7a(5) =10a(6) =14a(7) =20a(8) =27a(9) =36a(10) =48a(11) =63a(12) =82a(13) =106a(14) =136a(15) =173a(16) =218a(17) =273a(18) =341a(19) =423a(20) =522a(21) =641a(22) =784a(23) =955a(24) =1158a(25) =1399a(26) =1685a(27) =2023a(28) =2421a(29) =2889