Number of n-element subsets that can be chosen from {1,2,...,7*n} having element sum n*(7*n+1)/2.
A204463
Number of n-element subsets that can be chosen from {1,2,...,7*n} having element sum n*(7*n+1)/2.
Terms
- a(0) =1a(1) =1a(2) =7a(3) =50a(4) =519a(5) =5910a(6) =73294a(7) =957332a(8) =13011585a(9) =182262067a(10) =2615047418a(11) =38257201350a(12) =568784501596
External references
- oeis: A204463