A025206 [ Sum{(log(j)-log(i))^2} ], 2 <= i < j <= n.

0, 0, 1, 3, 6, 10, 14, 20, 27, 35, 45, 55, 67, 81, 96, 112, 129, 148, 169, 191, 214, 239, 266, 294, 324, 355, 388, 422, 458, 496, 535, 576, 618, 662, 708, 756, 805, 855, 908, 962, 1018, 1076, 1135, 1196, 1258, 1323, 1389, 1457, 1526, 1598, 1671, 1746, 1822, 1900, 1980, 2062

Offset

3,4

Links

Table of n, a(n) for n=3..58.

Crossrefs

Sequence in context: A183863 A372637 A140949 * A049989 A330258 A197056

Adjacent sequences: A025203 A025204 A025205 * A025207 A025208 A025209

Keyword

nonn

Author

Clark Kimberling

Status

approved