id:A165906 - OEIS Search Results

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Sum of first n primes divided by the nth prime

+0
2

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; listen)

	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: A082479 A090616 A067434 this_sequence A165907 A104103 A029923` `Adjacent sequences: A165903 A165904 A165905 this_sequence A165907 A165908 A165909`
	KEYWORD	`easy,nonn`
	AUTHOR	`Lior Manor (lior.manor(AT)gmail.com), Sep 30 2009`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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