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A066207 All primes that divide n are of the form p(2k), where p(k) is k-th prime. +0
1
3, 7, 9, 13, 19, 21, 27, 29, 37, 39, 43, 49, 53, 57, 61, 63, 71, 79, 81, 87, 89, 91, 101, 107, 111, 113, 117, 129, 131, 133, 139, 147, 151, 159, 163, 169, 171, 173, 181, 183, 189, 193, 199, 203, 213, 223, 229, 237, 239, 243, 247, 251 (list; graph; listen)
OFFSET

0,1

LINKS

Leroy Quet, Home Page (listed in lieu of email address)

EXAMPLE

39 is included because 3 * 13 = p(2) * p(6) and 2 and 6 are both even.

CROSSREFS

Sequence in context: A032375 A089556 A111223 this_sequence A141544 A088649 A020498

Adjacent sequences: A066204 A066205 A066206 this_sequence A066208 A066209 A066210

KEYWORD

nonn

AUTHOR

Leroy Quet Dec 16 2001

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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