Numerator of 1/3 + 3/5 + 5/7 + ... + (2n - 1)/(2n + 1).

A061484

Numerator of 1/3 + 3/5 + 5/7 + ... + (2n - 1)/(2n + 1).

Terms

    a(0) =0a(1) =1a(2) =14a(3) =173a(4) =764a(5) =11239a(6) =184222a(7) =223261a(8) =4471112a(9) =97969133a(10) =111132998a(11) =2861599189a(12) =15847336748a(13) =52189778369

External references