Number of strictly increasing arrangements of n numbers in -(n+5)..(n+5) with sum zero.
A188179
Number of strictly increasing arrangements of n numbers in -(n+5)..(n+5) with sum zero.
Terms
- a(0) =1a(1) =7a(2) =32a(3) =150a(4) =649a(5) =2739a(6) =11322a(7) =46029a(8) =184717a(9) =734517a(10) =2900900a(11) =11396054a(12) =44585180a(13) =173885716a(14) =676537634a(15) =2627337510a(16) =10188889502a(17) =39470938574a(18) =152787805216a(19) =591094837268
External references
- oeis: A188179