77948684

Appears in sequences

• Minimum integer m for which n*m = n'*m', where n' and m' are the arithmetic derivatives of n and m. Zero if m does not exist.at n=16A211222
• Numbers k such that k^4 is sum of two positive 7th powers.at n=15A291830
• Number of labeled trees on n vertices containing two fixed non-adjacent edges.at n=7A301270