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A087902
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Least m such that A080256(m)=n and has a maximum number A000792(n) of divisors.
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1
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2, 4, 6, 12, 36, 60, 180, 900, 1260, 6300, 44100, 69300, 485100, 5336100, 6306300, 69369300, 901800900, 1179278100, 15330615300, 260620460100, 291281690700, 4951788741900, 94083986096100, 113891141063700, 2163931680210300
(list; graph; refs; listen; history; internal format)
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OFFSET
| 2,1
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COMMENTS
| Omega(m)=A004523(n+1).
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EXAMPLE
| a(6): The numbers m with A080256(m) = 6 are 24, 30, 32, 36, 40..., with number of divisors 8, 8, 6, 9, 8.... None of these have more than A000792(6) = 9 divisors and 36 is the first that has 9, so a(6) = 36.
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PROG
| (PARI) a(n) = local(x); x = (n + 2)\3; prod(i = 1, x, prime(i)^2)/if (n%3 == 1, prime(x)*prime(x - 1), if (n%3, prime(x), 1)); (Wasserman)
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CROSSREFS
| Sequence in context: A118405 A095912 A143474 * A180213 A081457 A127105
Adjacent sequences: A087899 A087900 A087901 * A087903 A087904 A087905
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KEYWORD
| nonn
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AUTHOR
| Lekraj Beedassy (blekraj(AT)yahoo.com), Oct 14 2003
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EXTENSIONS
| More terms from David Wasserman (wasserma(AT)spawar.navy.mil), Jun 17 2005
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