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Search: id:A097619
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A097619 Numbers having more prime factors than each of their neighbors. +0
2
4, 6, 8, 12, 16, 18, 20, 24, 30, 32, 36, 40, 42, 48, 50, 52, 54, 56, 60, 64, 66, 68, 70, 72, 78, 80, 84, 88, 90, 92, 96, 100, 102, 104, 108, 110, 112, 114, 120, 126, 128, 130, 132, 138, 140, 144, 150, 152, 156, 160, 162, 168, 176, 180, 182, 184, 186, 189, 192, 196 (list; graph; listen)
OFFSET

1,1

EXAMPLE

A001222(50)=A001222(2*5*5)=3 > A001222(50-1)=A001222(7*7)=2 and A001222(50) > A001222(50+1)=A001222(3*17)=2, therefore 50 is a term.

CROSSREFS

Cf. A097620, A076082, A001222.

Sequence in context: A020177 A100390 A157932 this_sequence A113709 A076082 A162648

Adjacent sequences: A097616 A097617 A097618 this_sequence A097620 A097621 A097622

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Aug 17 2004

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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