> %e A088403 1 - (1/2 + 1/4 + 1/6 + ... + 1/454) = -2.002183354..., > which is just less than -2; so a(1) = m_1 = 227. Just to clarify this, for the *third* term, 1 - (1/2 + 1/4 + 1/6 + ... + 1/454) + (1/3 + 1/5 + 1/7 + ... + 1/(2m_2+1)) > 3 ? or 1 + (1/3 + 1/5 + 1/7 + ... + 1/(2m_2+1)) > 3 ? or (1/3 + 1/5 + 1/7 + ... + 1/(2m_2+1)) > 3 ?