Number of compositions (ordered partitions) of n into Pell numbers (A000129).

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =5a(5) =9a(6) =15a(7) =26a(8) =44a(9) =75a(10) =128a(11) =218a(12) =373a(13) =636a(14) =1086a(15) =1853a(16) =3162a(17) =5397a(18) =9210a(19) =15719a(20) =26826a(21) =45782a(22) =78133a(23) =133343a(24) =227568a(25) =388373a(26) =662809a(27) =1131168a(28) =1930482a(29) =3294616