Number of nondecreasing arrangements of n nonzero numbers in -(n+5)..(n+5) with sum zero.

A188331

Number of nondecreasing arrangements of n nonzero numbers in -(n+5)..(n+5) with sum zero.

Terms

    a(0) =0a(1) =7a(2) =32a(3) =191a(4) =1076a(5) =6252a(6) =36454a(7) =214784a(8) =1274786a(9) =7621670a(10) =45861804a(11) =277601505a(12) =1689349524a(13) =10331083034a(14) =63462615822a(15) =391449573689

External references