A165906 - OEIS

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A165906

Sum of first n primes divided by the n-th prime

1, 2, 2, 3, 3, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7, 8, 8, 9, 9, 9, 10, 11, 11, 11, 11, 12, 13, 13, 14, 15, 14, 15, 15, 16, 16, 17, 17, 17, 18, 18, 19, 20, 20, 20, 21, 22, 22, 21, 22, 23, 23, 24, 25, 25, 25, 26, 26, 27, 27, 28, 29, 29, 28, 29, 30, 31, 30, 31, 31, 32, 32, 33, 33, 34, 34, 35 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	LINKS	`L. Manor, Table of n, a(n) for n = 1..1000`
	FORMULA	`a(n) = ceiling(sum(p(1),...,p(n)) / p(n))`
	EXAMPLE	`a(4) = ceiling((2+3+5+7)/7) = 3`
	CROSSREFS	`Cf. A007504, A165907` `Sequence in context: A186704 A067434 A177357 * A165907 A104103 A194964` `Adjacent sequences: A165903 A165904 A165905 * A165907 A165908 A165909`
	KEYWORD	`easy,nonn`
	AUTHOR	`Lior Manor (lior.manor(AT)gmail.com), Sep 30 2009`

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Last modified February 16 02:51 EST 2012. Contains 205860 sequences.