Number of nondecreasing -n..n vectors of length 4 whose dot product with some other -n..n vector equals 4.

A226343

Number of nondecreasing -n..n vectors of length 4 whose dot product with some other -n..n vector equals 4.

Terms

    a(0) =5a(1) =67a(2) =193a(3) =480a(4) =972a(5) =1736a(6) =2962a(7) =4733a(8) =7063a(9) =10319a(10) =14629a(11) =19869a(12) =26785a(13) =35285a(14) =45069a(15) =57543a(16) =72439a(17) =89195a(18) =109721a(19) =133257a(20) =159325a(21) =190665a(22) =226371a(23) =264885a(24) =309905a(25) =360889a(26) =415399a(27) =478479a(28) =548675a(29) =622131

External references