Number of integer sequences of length n+1 with sum zero and sum of absolute values 18.
A157058
Number of integer sequences of length n+1 with sum zero and sum of absolute values 18.
Terms
- a(0) =2a(1) =54a(2) =812a(3) =8580a(4) =70310a(5) =472626a(6) =2703512a(7) =13507416a(8) =60110030a(9) =241925530a(10) =891454124a(11) =3037849828a(12) =9654482474a(13) =28818500830a(14) =81289041680a(15) =217815522736a(16) =556959705302
External references
- oeis: A157058