A080948 - OEIS

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A080948

Least number m having n divisors that are also suffices of m in binary representation.

1, 3, 15, 63, 735, 4095, 185535, 5810175, 1277603775 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	COMMENTS	`a(n) = Min{k: A080942(k)=n}; A080942(a(n)) = n.` `2^32 < a(10) <= 12754994175. a(11) <= 5301966462975. [From Donovan Johnson (donovan.johnson(AT)yahoo.com), Oct 28 2010]`
	EXAMPLE	`a(1)=A000079(0)=1; a(2)=A080943(1)=3; a(3)=A080946(1)=15.`
	CROSSREFS	`Cf. A080940, A080941, A007088.` `Sequence in context: A118339 A083858 A151241 * A098102 A144067 A001447` `Adjacent sequences: A080945 A080946 A080947 * A080949 A080950 A080951`
	KEYWORD	`nonn,more,base`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Feb 25 2003`
	EXTENSIONS	`a(7)-a(9) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Oct 28 2010`

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Last modified February 16 21:51 EST 2012. Contains 205978 sequences.