Number of nondecreasing -3..3 vectors of length n whose dot product with some lexicographically greater or equal nondecreasing -3..3 vector equals n.

A226417

Number of nondecreasing -3..3 vectors of length n whose dot product with some lexicographically greater or equal nondecreasing -3..3 vector equals n.

Terms

    a(0) =2a(1) =17a(2) =61a(3) =159a(4) =365a(5) =847a(6) =1488a(7) =2751a(8) =4739a(9) =7551a(10) =11714a(11) =18109a(12) =26101a(13) =37645a(14) =53282a(15) =73032a(16) =98844a(17) =133192a(18) =174317a(19) =227188a(20) =293529a(21) =372908a(22) =470112a(23) =590497a(24) =730305a(25) =899614a(26) =1102423a(27) =1337131a(28) =1613462a(29) =1941278

External references