74972160

Appears in sequences

• Scaled sums of odd reciprocals.at n=5A049034
• E.g.f.: log((1+x) / (1-x)) / (2*(1-x)).at n=11A081358
• Number of permutations in the symmetric group S_n such that the size of their centralizer is odd.at n=12A088994
• Expansion of e.g.f. -log(1-x)/(1-x^2).at n=11A092692