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A104366 Smallest prime factor of A104350(n) + 1. 3
2, 3, 7, 13, 61, 181, 13, 2521, 7561, 103, 415801, 1247401, 167, 191, 211, 127, 23, 40357, 1099944846001, 349, 41, 251, 37, 2243, 146100174169950001, 103, 53, 1217, 1156675078903494150001, 47, 2939, 251, 857, 41, 547, 13127, 47, 48563 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

a(n) = A020639(A104365(n)).

LINKS

Table of n, a(n) for n=1..38.

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

CROSSREFS

Cf. A104367, A104358, A051301, A051342.

Sequence in context: A085872 A070858 A061067 * A104367 A104365 A104372

Adjacent sequences:  A104363 A104364 A104365 * A104367 A104368 A104369

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Mar 06 2005

EXTENSIONS

Corrected by D. S. McNeil, Dec 10 2010

STATUS

approved

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Last modified July 23 16:14 EDT 2019. Contains 325258 sequences. (Running on oeis4.)