Number of nondecreasing arrangements of n+2 numbers in 0..8 with the last equal to 8 and each after the second equal to the sum of one or two of the preceding four.

A189325

Number of nondecreasing arrangements of n+2 numbers in 0..8 with the last equal to 8 and each after the second equal to the sum of one or two of the preceding four.

Terms

    a(0) =13a(1) =24a(2) =49a(3) =95a(4) =179a(5) =321a(6) =548a(7) =866a(8) =1267a(9) =1733a(10) =2248a(11) =2806a(12) =3408a(13) =4056a(14) =4752a(15) =5498a(16) =6296a(17) =7148a(18) =8056a(19) =9022a(20) =10048a(21) =11136a(22) =12288a(23) =13506a(24) =14792a(25) =16148a(26) =17576a(27) =19078a(28) =20656a(29) =22312

External references