245976

Appears in sequences

• a(n) = 6^(n-4) * (n+1)^(n-6) * (125*n^4 + 810*n^3 + 2095*n^2 + 2586*n + 1296).at n=5A251586
• Numbers k such that k - 13, k + 1, k + 5, k + 7, and k + 13 are all prime.at n=25A281937
• Number of excursions of length n with Motzkin-steps avoiding the consecutive steps UD, HU and DH.at n=25A329695
• Number of polygons formed when connecting all 4n points on the perimeter of an n X n square by infinite lines.at n=12A345459