Number of nondecreasing arrangements of n+2 numbers in 0..6 with the last equal to 6 and each after the second equal to the sum of one or two of the preceding three.
A190038
Number of nondecreasing arrangements of n+2 numbers in 0..6 with the last equal to 6 and each after the second equal to the sum of one or two of the preceding three.
Terms
- a(0) =10a(1) =18a(2) =30a(3) =47a(4) =72a(5) =107a(6) =151a(7) =203a(8) =263a(9) =331a(10) =407a(11) =491a(12) =583a(13) =683a(14) =791a(15) =907a(16) =1031a(17) =1163a(18) =1303a(19) =1451a(20) =1607a(21) =1771a(22) =1943a(23) =2123a(24) =2311a(25) =2507a(26) =2711a(27) =2923a(28) =3143a(29) =3371
External references
- oeis: A190038