Expansion of (1+x) * (1+2*x) * (1+3*x)/((1-x) * (1-2*x) * (1-3*x) * (1-4*x)).
A383913
Expansion of (1+x) * (1+2*x) * (1+3*x)/((1-x) * (1-2*x) * (1-3*x) * (1-4*x)).
Terms
- a(0) =1a(1) =16a(2) =136a(3) =856a(4) =4576a(5) =22216a(6) =101536a(7) =446056a(8) =1907776a(9) =8009416a(10) =33187936a(11) =136233256a(12) =555438976a(13) =2253396616a(14) =9108754336a(15) =36721012456a(16) =147743018176a(17) =593550943816
External references
- oeis: A383913