Number of nondecreasing -4..4 vectors of length n whose dot product with some nondecreasing -4..4 vector equals n.
A226407
Number of nondecreasing -4..4 vectors of length n whose dot product with some nondecreasing -4..4 vector equals n.
Terms
- a(0) =2a(1) =34a(2) =130a(3) =479a(4) =1123a(5) =2959a(6) =6041a(7) =12820a(8) =23401a(9) =43439a(10) =73976a(11) =125962a(12) =199900a(13) =318926a(14) =485768a(15) =735222a(16) =1072033
External references
- oeis: A226407