Doubly restricted composition numbers: number of compositions of [n^2/2] into up to n positive integers each no more than n.
A077048
Doubly restricted composition numbers: number of compositions of [n^2/2] into up to n positive integers each no more than n.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =6a(4) =44a(5) =350a(6) =4292a(7) =57036a(8) =996088a(9) =18661152a(10) =424241102a(11) =10266964015a(12) =287927722315
External references
- oeis: A077048