a(n) = a(n-1) + a(n-3) + 2*a(n-5) - a(n-8) - a(n-10), n > 10.

Terms

a(0) =1a(1) =1a(2) =4a(3) =5a(4) =16a(5) =22a(6) =29a(7) =45a(8) =76a(9) =126a(10) =210a(11) =338a(12) =534a(13) =869a(14) =1414a(15) =2301a(16) =3741a(17) =6052a(18) =9805a(19) =15910a(20) =25820a(21) =41900a(22) =67966a(23) =110226a(24) =178791a(25) =290044a(26) =470524a(27) =763285a(28) =1238156a(29) =2008452