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A109162 a(1)=1. a(n) = A019565(a(n-1)). 1
1, 2, 3, 6, 15, 210, 10659, 54230826, 249853434654335387610276087 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

LINKS

Frank Adams-Watters, Table of n, a(n) for n = 1..11

EXAMPLE

a(4) = 6, which is 110 in binary. So a(5) is the product of the primes corresponding to the 1's of 110, 3*5 = 15.

CROSSREFS

Cf. A019565.

Sequence in context: A007364 A014627 A145781 * A028688 A030753 A003040

Adjacent sequences:  A109159 A109160 A109161 * A109163 A109164 A109165

KEYWORD

nonn

AUTHOR

Leroy Quet Aug 18 2005

EXTENSIONS

More terms from Frank Adams-Watters (FrankTAW(AT)Netscape.net), Aug 29 2006

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Last modified February 15 23:53 EST 2012. Contains 205860 sequences.