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A067715 Sum of exponents in prime factorization of n is < ln(n). +0
1
3, 5, 7, 9, 10, 11, 13, 14, 15, 17, 19, 21, 22, 23, 25, 26, 27, 28, 29, 30, 31, 33, 34, 35, 37, 38, 39, 41, 42, 43, 44, 45, 46, 47, 49, 50, 51, 52, 53, 55, 56, 57, 58, 59, 60, 61, 62, 63, 65, 66, 67, 68, 69, 70, 71, 73, 74, 75, 76, 77, 78, 79, 81, 82, 83, 84, 85, 86, 87, 88 (list; graph; listen)
OFFSET

0,1

LINKS

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

EXAMPLE

9 is included because the sum of the exponents in the prime factorization of 9 is 2, which is < ln(9).

CROSSREFS

Sequence in context: A093373 A096849 A080259 this_sequence A076212 A085621 A091066

Adjacent sequences: A067712 A067713 A067714 this_sequence A067716 A067717 A067718

KEYWORD

nonn

AUTHOR

Leroy Quet Feb 05 2002

page 1

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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