Number of nondecreasing arrangements of n+2 numbers in 0..5 with each number being the sum mod 6 of two others.

A183908

Number of nondecreasing arrangements of n+2 numbers in 0..5 with each number being the sum mod 6 of two others.

Terms

    a(0) =2a(1) =8a(2) =37a(3) =124a(4) =309a(5) =637a(6) =1163a(7) =1953a(8) =3085a(9) =4650a(10) =6753a(11) =9514a(12) =13069a(13) =17571a(14) =23191a(15) =30119a(16) =38565a(17) =48760a(18) =60957a(19) =75432a(20) =92485a(21) =112441a(22) =135651a(23) =162493a(24) =193373a(25) =228726a(26) =269017a(27) =314742a(28) =366429a(29) =424639

External references