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 three.

A190040

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 three.

Terms

    a(0) =13a(1) =24a(2) =40a(3) =65a(4) =105a(5) =164a(6) =246a(7) =349a(8) =472a(9) =617a(10) =786a(11) =981a(12) =1204a(13) =1457a(14) =1742a(15) =2061a(16) =2416a(17) =2809a(18) =3242a(19) =3717a(20) =4236a(21) =4801a(22) =5414a(23) =6077a(24) =6792a(25) =7561a(26) =8386a(27) =9269a(28) =10212a(29) =11217

External references