54060

Appears in sequences

• a(n) is the smallest positive integer a for which there is an identity of the form a*n*x = Sum_{i=1..m} ai*gi(x)^n where a1, ..., am are in Z and g1(x), ..., gm(x) are in Z[x].at n=53A005729
• Denominators of continued fraction convergents to sqrt(902).at n=3A042743
• a(n) = 4*n*(4*n^2 + 1).at n=15A144965
• Number of reduced 3 X 3 magilatin squares with largest entry n.at n=22A174018
• Number of right isosceles triangles that can be formed from the n^2 points of n X n grid of points (or geoboard).at n=18A187452
• Triangle read by rows: coefficients xi(n,k) arising from the study of completely transitive graphs on n nodes.at n=17A259971
• p-INVERT of the positive integers, where p(S) = 1 - S - 2*S^2.at n=8A290922
• Binomial transform of a signed variant of triangle A050166.at n=63A329959
• a(n) is the area of the smallest rectangle that the Harter-Heighway Dragon Curve will fit in after n doublings, starting with a segment of length 1.at n=15A362566