51159

Appears in sequences

• Fibonacci sequence beginning 2, 11.at n=19A022115
• [ exp(5/21)*n! ].at n=7A030848
• 24 'Reverse and Add' steps are needed to reach a palindrome.at n=11A065318
• Number of primitive multiplex juggling sequences of length n, base state <2,1> and hand capacity 2.at n=7A136778
• Product of two nonconsecutive primes p and q that divides the sum of primes between p and q, exclusively.at n=3A200721
• a(n) is the end square spiral number for a knight starting on square n moving on a board with squares numbered with the square of their distance from the 0-square origin and where the knight moves to the smallest numbered unvisited square; the smallest spiral number ordering is used if the distances are equal.at n=1A326931