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A113159 Smallest n-semiprime equal to the product of increasing distinct primes. 0
6, 1155, 86822723, 39181802686993, 35597295809230452047, 106599435598498872379635683 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..6.

EXAMPLE

a(1) = 6 is 1-semiprime equal 2*3;

a(2) = 1155 is 2-semiprime equal (3*5)*(7*11);

a(3) = 86822723 is 3-semiprime equal (11*13)*(17*19)*(23*29).

CROSSREFS

Sequence in context: A267071 A219165 A185537 * A159717 A160857 A160005

Adjacent sequences:  A113156 A113157 A113158 * A113160 A113161 A113162

KEYWORD

nonn

AUTHOR

Giovanni Teofilatto, Jan 05 2006

STATUS

approved

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Last modified October 27 19:59 EDT 2020. Contains 338036 sequences. (Running on oeis4.)