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A006073 n, n+1 and n+2 all have same number of prime divisors. +0
5
2, 3, 7, 20, 33, 34, 38, 44, 50, 54, 55, 56, 74, 75, 85, 86, 91, 92, 93, 94, 98, 115, 116, 117, 122, 133, 134, 141, 142, 143, 144, 145, 146, 158, 159, 160, 175, 176, 183, 187, 200, 201, 205, 206, 207, 212, 213, 214, 215, 216, 217, 224, 235, 247 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Sequence in context: A164625 A079804 A110498 this_sequence A052402 A011968 A080021

Adjacent sequences: A006070 A006071 A006072 this_sequence A006074 A006075 A006076

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified December 3 22:15 EST 2009. Contains 170310 sequences.


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