Each term is previous term plus floor of harmonic mean of two previous terms.

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =8a(5) =14a(6) =24a(7) =41a(8) =71a(9) =122a(10) =211a(11) =365a(12) =632a(13) =1094a(14) =1895a(15) =3282a(16) =5684a(17) =9845a(18) =17052a(19) =29534a(20) =51154a(21) =88601a(22) =153461a(23) =265802a(24) =460382a(25) =797405a(26) =1381145a(27) =2392213a(28) =4143434a(29) =7176638