397013

Properties

Appears in sequences

• Number of configurations of the 8 X 2 variant of the sliding block 15-puzzle that require a minimum of n moves to be reached, starting with the empty square in one of the corners.at n=24A355560
• Expansion of g.f. Sum_{n>=1} q^n/(1-q^(2*n)-q^(3*n)).at n=49A368689
• Prime-indexed primes that are the average of the preceding and following prime-indexed primes.at n=21A391116
• Prime numbersat n=33623