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

A188209

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

Terms

    a(0) =1a(1) =8a(2) =41a(3) =241a(4) =1394a(5) =8196a(6) =48417a(7) =288100a(8) =1724882a(9) =10388788a(10) =62914457a(11) =382957903a(12) =2342043630a(13) =14385595262a(14) =88716792134a(15) =549159544833

External references