Scaled sums of odd reciprocals: a(n) = (2*n + 1)!!*(Sum_{k=0..n} 1/(2*k + 1)).
A004041
Scaled sums of odd reciprocals: a(n) = (2*n + 1)!!*(Sum_{k=0..n} 1/(2*k + 1)).
Terms
- a(0) =1a(1) =4a(2) =23a(3) =176a(4) =1689a(5) =19524a(6) =264207a(7) =4098240a(8) =71697105a(9) =1396704420a(10) =29985521895a(11) =703416314160
External references
- oeis: A004041