Numerator of 2 * H(n,2,1), a generalized harmonic number. See A075135. Also 2 * A350669.
A074599
Numerator of 2 * H(n,2,1), a generalized harmonic number. See A075135. Also 2 * A350669.
Terms
- a(0) =2a(1) =8a(2) =46a(3) =352a(4) =1126a(5) =13016a(6) =176138a(7) =182144a(8) =3186538a(9) =62075752a(10) =63461422a(11) =1488711776a(12) =7577414602a(13) =23104065256a(14) =680057071574
External references
- oeis: A074599