A sum over partitions (q=18), see first comment.
A221583
A sum over partitions (q=18), see first comment.
Terms
- a(0) =1a(1) =17a(2) =323a(3) =5814a(4) =104958a(5) =1889227a(6) =34011900a(7) =612213877a(8) =11019954438a(9) =198359179578
External references
- oeis: A221583