Number of nondecreasing -2..2 vectors of length n whose dot product with some lexicographically greater or equal nondecreasing -2..2 vector equals n.

A226416

Number of nondecreasing -2..2 vectors of length n whose dot product with some lexicographically greater or equal nondecreasing -2..2 vector equals n.

Terms

    a(0) =2a(1) =11a(2) =20a(3) =57a(4) =88a(5) =180a(6) =254a(7) =439a(8) =587a(9) =905a(10) =1163a(11) =1669a(12) =2084a(13) =2832a(14) =3455a(15) =4517a(16) =5411a(17) =6855a(18) =8086a(19) =10001a(20) =11648a(21) =14116a(22) =16260a(23) =19387a(24) =22123a(25) =26005a(26) =29429a(27) =34189a(28) =38412a(29) =44160

External references