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A045984 a(n) = smallest number m such that factorizations of n consecutive integers starting at m have same number of primes (counted with multiplicity). 5
1, 2, 33, 602, 602, 2522, 211673, 3405122, 3405122, 49799889, 202536181, 3195380868, 5208143601, 85843948321, 97524222465 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

a(16) > 10^13. a(16) must have at least 5 prime factors (counted with multiplicity) because one of the 16 consecutive numbers is divisible by 2^4. - Donovan Johnson, Apr 01 2013

LINKS

Table of n, a(n) for n=1..15.

CROSSREFS

Cf. A045920, A045939, A045940, A045941, A045942, A077657, A001222.

Sequence in context: A083143 A064008 A093752 * A077657 A219342 A256278

Adjacent sequences:  A045981 A045982 A045983 * A045985 A045986 A045987

KEYWORD

nonn

AUTHOR

David W. Wilson

EXTENSIONS

More terms from Vladeta Jovovic, Aug 06 2002

More terms from Martin Fuller, Nov 21 2006

STATUS

approved

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Last modified January 22 00:08 EST 2022. Contains 350481 sequences. (Running on oeis4.)