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A141186 (1, 2, 3, 2^2, 5, 2*3, 7, 2^3, 3^2, 2*5, 11, 2^2*3,..) becomes (2, 3, 5, 7^11, 13, 17*19, 23, 29^31, 37^41, 41*43, 53, 59^61*67,..). 2
2, 3, 5, 1977326743, 13, 323, 23, 2159424054808578564166497528588784562372597429, 19782022283855446341112457192300036270147066771005176357387103237, 2021 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..10.

EXAMPLE

a(5)=7^11=1977326743.

a(7)=17*19=323,

etc.

CROSSREFS

Cf. A141287, A141261, A143678.

Sequence in context: A335304 A193888 A305192 * A078682 A331205 A075174

Adjacent sequences:  A141183 A141184 A141185 * A141187 A141188 A141189

KEYWORD

nonn,less

AUTHOR

Juri-Stepan Gerasimov, Nov 08 2008

EXTENSIONS

More terms from R. J. Mathar, Apr 14 2010

STATUS

approved

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Last modified September 19 03:31 EDT 2021. Contains 347550 sequences. (Running on oeis4.)