70924

Appears in sequences

• (n,3,8) difference families over Z_n.at n=7A011998
• Matrix product of unsigned Lah-triangle |A008297(n,k)| and unsigned Stirling1-triangle |A008275(n,k)|.at n=23A079638
• Exponential Riordan array [1, log((1-x)/(1-2x))].at n=31A131222
• Number of 5-step E, S, NW and NE-moving king's tours on an n X n board summed over all starting positions.at n=20A187588
• A diagonal (unsigned) of triangle A385910; a(n) = -A385910(n+2,n) for n >= 1.at n=6A385912