a(n) = (n+1+(-1)^n)*A024167(n), related to alternating harmonic sums.
A130679
a(n) = (n+1+(-1)^n)*A024167(n), related to alternating harmonic sums.
Terms
- a(0) =1a(1) =4a(2) =15a(3) =84a(4) =470a(5) =3552a(6) =26796a(7) =255840a(8) =2435184a(9) =28114560a(10) =323405280a(11) =4380445440a(12) =59105255040a(13) =918796677120
External references
- oeis: A130679