Denominator of Product_{k=1..n} (2k/(2k+1))^((-1)^A000120(k)).
A261559
Denominator of Product_{k=1..n} (2k/(2k+1))^((-1)^A000120(k)).
Terms
- a(0) =2a(1) =8a(2) =28a(3) =224a(4) =1232a(5) =4004a(6) =56056a(7) =896896a(8) =8520512a(9) =14910896a(10) =328039712a(11) =41004964a(12) =1066129064a(13) =29851613792a(14) =462700013776
External references
- oeis: A261559