101997

Appears in sequences

• Second elementary symmetric function of 3,4,...,n+3.at n=26A024183
• Concatenation of the smallest and the largest n-digit primes.at n=2A104206
• Number of reduced words of length n in the Weyl group E_7 on 7 generators and order 2903040.at n=25A162493
• Number of 4-step one space for components leftwards or up, two space for components rightwards or down asymmetric quasi-queen's tours (antidiagonal moves become knight moves) on an n X n board summed over all starting positions.at n=16A187859