42417997492
domain: N
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=20A211222
- Number of nX2 0..4 arrays with no entry increasing mod 5 by 4 rightwards or downwards, starting with upper left zero.at n=9A222138
- Number of labeled trees on n vertices containing two fixed non-adjacent edges.at n=9A301270