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A025213 a(n) = floor(3rd elementary symmetric function of Sum_{j=1..k} 1/j, k = 1,2,...,n). 0
2, 15, 49, 122, 255, 472, 804, 1284, 1950, 2842, 4005, 5488, 7341, 9619, 12380, 15683, 19594, 24177, 29503, 35642, 42669, 50662, 59699, 69863, 81238, 93910, 107969, 123505, 140612, 159386, 179924, 202326, 226695, 253132, 281746, 312643, 345934, 381729 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,1

LINKS

Table of n, a(n) for n=3..40.

CROSSREFS

Sequence in context: A256328 A041719 A133777 * A290631 A116693 A154565

Adjacent sequences:  A025210 A025211 A025212 * A025214 A025215 A025216

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified September 23 14:40 EDT 2021. Contains 347618 sequences. (Running on oeis4.)