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A097213 Members of A097212, excluding highly composite numbers (A002182). 1
30, 420, 4620, 9240, 12600, 13860, 18480, 138600, 360360, 1801800, 5405400, 6126120, 12252240, 18378360, 24504480, 30630600, 49008960, 91891800, 232792560, 349188840, 465585120, 931170240, 1163962800, 1745944200 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

A097212 is the RECORDS transform of A076078, the number of sets of distinct positive integers with a least common multiple of n. A002182 is the RECORDS transform of A000005, the number of divisors of n.

A subsequence of A025487 (first integer of each prime signature) and also of A067128 (largely composite numbers).

LINKS

Table of n, a(n) for n=1..24.

CROSSREFS

Sequence in context: A126922 A276287 A106440 * A110612 A290363 A161740

Adjacent sequences:  A097210 A097211 A097212 * A097214 A097215 A097216

KEYWORD

nonn

AUTHOR

Matthew Vandermast, Aug 07 2004

EXTENSIONS

More terms from Robert G. Wilson v and Matthew Vandermast, Aug 23 2004

More terms from David Wasserman, Dec 27 2007

STATUS

approved

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Last modified June 20 09:27 EDT 2019. Contains 324234 sequences. (Running on oeis4.)