81252

Appears in sequences

• Sizes of successive increasing gaps between 2-pseudoprimes.at n=22A175738
• a(n) = Sum_{i=0..n} digsum_7(i)^4, where digsum_7(i) = A053828(i).at n=40A231679
• The least common multiple of 1 + n^2 and 1 + n^3.at n=11A281661
• Number of near-magic (only short lines are magic) knight's tours on a 4 X 2n board.at n=10A330610