id:A113512 - OEIS Search Results

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Number of preceding primes or nonprimes whichever is greater.

+0
1

0, 1, 2, 2, 2, 3, 4, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 10, 11, 11, 11, 11, 12, 12, 13, 13, 14, 14, 15, 16, 17, 17, 17, 17, 18, 18, 19, 19, 20, 20, 21, 22, 23, 23, 23, 23, 24, 24, 25, 26, 27, 28, 29, 29, 29, 29, 29, 29, 30, 30, 31, 31, 32, 32, 33, 34, 35, 36, 37, 37, 37, 37, 37, 37 (list; graph; listen)

	OFFSET	`1,3`
	COMMENT	`a(1) = 0, a(n) = if 2*m+1 > n then m else n-m-1, where m = number of occurrences of primes in a(k) for k<n;` `for k>1: prime(k) occurs consecutively exactly A001223(k)=prime(k)-prime(k-1) times; the nonnegative integers (A001477) are a subsequence.`
	CROSSREFS	`Adjacent sequences: A113509 A113510 A113511 this_sequence A113513 A113514 A113515` `Sequence in context: A055748 A090702 A029124 this_sequence A004524 A126257 A025773`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jan 12 2006`

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Last modified October 11 13:47 EDT 2008. Contains 144830 sequences.

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