a(n) = ceiling(n*phi^16), where phi is the golden ratio, A001622.

Terms

a(0) =0a(1) =2207a(2) =4414a(3) =6621a(4) =8828a(5) =11035a(6) =13242a(7) =15449a(8) =17656a(9) =19863a(10) =22070a(11) =24277a(12) =26484a(13) =28691a(14) =30898a(15) =33105a(16) =35312a(17) =37519a(18) =39726a(19) =41933a(20) =44140a(21) =46347a(22) =48554a(23) =50761a(24) =52968a(25) =55175a(26) =57382a(27) =59589a(28) =61796