Number of nondecreasing arrangements of n+3 numbers in 0..5 with each number being the sum mod 6 of three others.

A183900

Number of nondecreasing arrangements of n+3 numbers in 0..5 with each number being the sum mod 6 of three others.

Terms

    a(0) =3a(1) =24a(2) =130a(3) =364a(4) =771a(5) =1386a(6) =2281a(7) =3534a(8) =5236a(9) =7492a(10) =10422a(11) =14162a(12) =18865a(13) =24702a(14) =31863a(15) =40558a(16) =51018a(17) =63496a(18) =78268a(19) =95634a(20) =115919a(21) =139474a(22) =166677a(23) =197934a(24) =233680a(25) =274380a(26) =320530a(27) =372658a(28) =431325a(29) =497126

External references