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A135735 Sequence arising in a search for three consecutive powerful numbers. 0
46, 430, 1817, 58254, 209991, 1752299, 3124318, 4099215 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Here powerful numbers are those for which every prime factor appears to a power at least 2.

REFERENCES

Stephens, A. J. and Williams, H. C., Some computational results on a problem concerning powerful numbers, Math. Comp. 50 (1988), 619-632.

LINKS

Table of n, a(n) for n=1..8.

CROSSREFS

Sequence in context: A077734 A272184 A213286 * A160285 A111304 A055751

Adjacent sequences:  A135732 A135733 A135734 * A135736 A135737 A135738

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Mar 05 2008

STATUS

approved

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Last modified March 25 09:42 EDT 2017. Contains 284060 sequences.