Padovan-like sequence; a(0)=2, a(1)=1, a(2)=1, a(n) = a(n-2) + a(n-3).

Terms

a(0) =2a(1) =1a(2) =1a(3) =3a(4) =2a(5) =4a(6) =5a(7) =6a(8) =9a(9) =11a(10) =15a(11) =20a(12) =26a(13) =35a(14) =46a(15) =61a(16) =81a(17) =107a(18) =142a(19) =188a(20) =249a(21) =330a(22) =437a(23) =579a(24) =767a(25) =1016a(26) =1346a(27) =1783a(28) =2362a(29) =3129