84080

Appears in sequences

• a(n) = 841*n^2 - 2*n.at n=9A158401
• Number of 4-step knight's tours on an (n+2) X (n+2) board summed over all starting positions.at n=15A186853
• Numbers k such that Bernoulli number B_{k} has denominator 230010.at n=29A295593
• Number of parts in all partitions of n in which no part occurs more than seven times.at n=33A320610
• Expansion of 1/Product_{k>=1} (1 - x^k)^(valuation(k,4) + 1).at n=39A373295