A025220 - OEIS

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A025220

[ 3rd elementary symmetric function of {sqrt(k+1)} ], k = 1,2,...,n.

4, 24, 74, 175, 357, 656, 1116, 1791, 2742, 4042, 5772, 8024, 10902, 14519, 19002, 24487, 31125, 39079, 48524, 59649, 72657, 87763, 105199, 125209, 148054, 174008, 203362, 236422, 273509, 314962, 361136, 412400, 469145, 531774, 600711, 676396, 759287

(list; graph; refs; listen; history; text; internal format)

OFFSET

3,1

LINKS

Table of n, a(n) for n=3..39.

CROSSREFS

Sequence in context: A011915 A199904 A250132 * A375092 A112742 A158494

Adjacent sequences: A025217 A025218 A025219 * A025221 A025222 A025223

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved