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 A306879 Smallest number m such that m, m+1, and m+2 all have exactly 2p divisors, where p = prime(n). 3
 33, 242, 7939375, 76571890623, 104228508212890623, 1489106237081787109375, 273062471666259918212890623, 804505911103256259918212890623, 490685203356467392256259918212890623, 6794675247932944436619977392256259918212890623, 329757106427071213106619977392256259918212890623 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS a(4) was incorrect in "Some new results on consecutive equidivisible integers". LINKS Chai Wah Wu, Table of n, a(n) for n = 1..50 Vasilii A. Dziubenko, Vladimir A. Letsko, Consecutive positive integers with the same number of divisors, arXiv:1811.05127 [math.NT], 2018. Vladimir A. Letsko, Some new results on consecutive equidivisible integers, arXiv:1510.07081 [math.NT], 2015. EXAMPLE 33, 34, 35 all have exactly 2*prime(1) = 4 divisors, and 33 is the smallest number with this property, so a(1) = 33. CROSSREFS Cf. A274639. A subsequence of A075040. Sequence in context: A230186 A075040 A274639 * A178448 A088703 A321561 Adjacent sequences:  A306876 A306877 A306878 * A306880 A306881 A306882 KEYWORD nonn AUTHOR Chai Wah Wu, Mar 14 2019 STATUS approved

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Last modified February 26 08:33 EST 2020. Contains 332277 sequences. (Running on oeis4.)