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 four.
A189323
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 four.
Terms
- a(0) =10a(1) =18a(2) =36a(3) =64a(4) =110a(5) =179a(6) =275a(7) =393a(8) =528a(9) =676a(10) =836a(11) =1008a(12) =1192a(13) =1388a(14) =1596a(15) =1816a(16) =2048a(17) =2292a(18) =2548a(19) =2816a(20) =3096a(21) =3388a(22) =3692a(23) =4008a(24) =4336a(25) =4676a(26) =5028a(27) =5392a(28) =5768a(29) =6156
External references
- oeis: A189323