Number of strictly increasing arrangements of n nonzero numbers in -(n+5)..(n+5) with sum zero.
A188120
Number of strictly increasing arrangements of n nonzero numbers in -(n+5)..(n+5) with sum zero.
Terms
- a(0) =0a(1) =7a(2) =24a(3) =118a(4) =482a(5) =1999a(6) =8044a(7) =32035a(8) =126122a(9) =493267a(10) =1918884a(11) =7436318a(12) =28736532a(13) =110822456a(14) =426763772a(15) =1641751842a(16) =6311555602a(17) =24254371734a(18) =93187581596a(19) =358022612486
External references
- oeis: A188120