A382099 a(n) is the denominator of the square of the n-th Lagrange number.
1, 1, 25, 169, 841, 289, 7921, 28561, 9409, 54289, 187489, 93025, 970225, 1755625, 2550409, 8392609, 17480761, 32959081, 10452289, 57168721, 82391929, 29953729, 216119401, 821223649, 1119638521, 354681889, 1871514121, 2666792881, 967521025, 5628750625, 9323254249
Offset: 1
Examples
5/1 = A002163^2; 8/1 = A010466^2; 221/25 = A200991^2; 1517/169 = A305308^2; ...
References
- John H. Conway and Richard K. Guy, The Book of Numbers, New York: Springer-Verlag, 1996. See p. 187.