144032

Appears in sequences

• Smallest k for which k, 2k, ... n*k all contain the digit 2.at n=14A039933
• Smallest k for which k, 2k, ... n*k all contain the digit 2.at n=15A039933
• Smallest k for which k, 2k, ... n*k all contain the digit 2.at n=16A039933
• Smallest k for which k, 2k, ... n*k all contain the digit 2.at n=17A039933
• Smallest k for which k, 2k, ... n*k all contain the digit 2.at n=18A039933
• Smallest k for which k, 2k, ... n*k all contain the digit 2.at n=19A039933
• Smallest k for which k, 2k, ... n*k all contain the digit 2.at n=20A039933
• Number of 2 X 2 matrices having all terms in {1,...,n} and nonnegative even determinant.at n=25A211066
• Numbers k such that A000712(k) is divisible by k.at n=11A304045