Number of integer sequences of length n+1 with sum zero and sum of absolute values 20.
A157059
Number of integer sequences of length n+1 with sum zero and sum of absolute values 20.
Terms
- a(0) =2a(1) =60a(2) =1002a(3) =11750a(4) =106752a(5) =794598a(6) =5025692a(7) =27717948a(8) =135916002a(9) =601585512a(10) =2432878866a(11) =9079799742a(12) =31534801116a(13) =102644594262a(14) =315029394792a(15) =916470530808
External references
- oeis: A157059