a(n) = (n+1)*(n+2)^3*(n+3)^4*(n+4)^3*(n+5)*(2n+5)*(2n+7)/7257600.
A109124
a(n) = (n+1)*(n+2)^3*(n+3)^4*(n+4)^3*(n+5)*(2n+5)*(2n+7)/7257600.
Terms
- a(0) =1a(1) =90a(2) =2475a(3) =35035a(4) =321048a(5) =2159136a(6) =11511720a(7) =51210225a(8) =196994655a(9) =672567610a(10) =2078241165a(11) =5900460930a(12) =15576433600a(13) =38599672320a(14) =90491328576a(15) =201987412398a(16) =431582100885a(17) =886725689850
External references
- oeis: A109124