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A120370 a(1) = 2. a(n) = a(n-1) + (maximum number of distinct primes dividing any earlier terms). +0
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2, 3, 4, 5, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 33, 36, 39, 42, 45, 48, 51, 54, 57, 60, 63, 66, 69, 72, 75, 78, 81, 84, 87, 90, 93, 96, 99, 102, 105, 108, 111, 114, 117, 120, 123, 126, 129, 132, 135, 138, 141, 144, 147, 150, 153, 156, 159, 162, 165, 168 (list; graph; listen)
OFFSET

1,1

LINKS

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

EXAMPLE

210 follows 207 in the sequence because the most number of distinct primes dividing any earlier terms of the sequence is 3.

210 in the sequence is followed by 214 because 4 distinct primes divide 210, the first term of the sequence divisible by 4 distinct primes.

CROSSREFS

Sequence in context: A005377 A004272 A004279 this_sequence A011866 A008724 A112402

Adjacent sequences: A120367 A120368 A120369 this_sequence A120371 A120372 A120373

KEYWORD

easy,nonn

AUTHOR

Leroy Quet Jun 27 2006

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.


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