2080328

Appears in sequences

• Numerator of q_n = -4*n + 2*(1+n)*HarmonicNumber(n).at n=15A115107
• a(1)=1, a(n) = a(n-1) + n^4 if n odd, a(n) = a(n-1) + n^5 if n is even.at n=15A140161