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A104365 A104350(n) + 1. 10
2, 3, 7, 13, 61, 181, 1261, 2521, 7561, 37801, 415801, 1247401, 16216201, 113513401, 567567001, 1135134001, 19297278001, 57891834001, 1099944846001, 5499724230001, 38498069610001, 423478765710001, 9740011611330001 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

a(n) = (a(n-1) - 1) * A006530(n) + 1 for n>1, a(1) = 0;

LINKS

Table of n, a(n) for n=1..23.

R. Zumkeller, Products of largest prime factors of numbers <= n

CROSSREFS

Cf. A104366, A104367, A104368, A104369, A104370, A104371, A104357, A038507, A006862.

Sequence in context: A061067 A104366 A104367 * A104372 A092969 A089136

Adjacent sequences:  A104362 A104363 A104364 * A104366 A104367 A104368

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Mar 06 2005

STATUS

approved

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Last modified February 17 16:26 EST 2018. Contains 299296 sequences. (Running on oeis4.)