118040

Appears in sequences

• Cycle of 3 steps possible for 'concatenate a(n) and nextprime(a(n)) is a prime'.at n=14A034593
• a(n) = 40*(200*n - 49).at n=14A157652
• Number of 4-step one or two space at a time bishop's tours on an n X n board summed over all starting positions.at n=20A187048