a(n) = floor(a(n-1)*3/2) bitwise-OR LSB(a(n-1)*n), with a(1)=2 (LSB = Least Significant Bit).

Terms

a(0) =2a(1) =3a(2) =5a(3) =7a(4) =11a(5) =16a(6) =24a(7) =36a(8) =54a(9) =81a(10) =121a(11) =181a(12) =271a(13) =406a(14) =609a(15) =913a(16) =1369a(17) =2053a(18) =3079a(19) =4618a(20) =6927a(21) =10390a(22) =15585a(23) =23377a(24) =35065a(25) =52597a(26) =78895a(27) =118342a(28) =177513a(29) =266269