id:A086916 - OEIS Search Results

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Number of digits in terms of A087732.

+0
5

1, 1, 2, 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7, 9, 9, 10, 10, 10, 10, 10, 10, 12, 13, 14, 15, 18, 20, 21, 23, 23, 23, 25, 28, 28, 29, 29, 32, 33, 35, 37, 38, 39, 41, 43, 45, 47, 50, 55, 57, 62, 62, 66, 73, 79, 92, 101, 106, 108, 115, 121, 123, 126, 131, 140, 141 (list; graph; listen)

	OFFSET	`1,3`
	COMMENT	`Number of digits of the twin primes of the form jP(i)# - 1 and jP(i)# + 1 with 0 < j < P(i+1), P(i)= i rank Primes, P(i)# = Primorial of P(i) (A002110).`
	EXAMPLE	`a(23)=9 since A087732(23)=106696589 has 9 digits.` `a(31)=12 since A087732(31)=103515091679 has 12 digits.`
	CROSSREFS	`Cf. A086916, A087651, A087730, A087731, A087732, A088676.` `Sequence in context: A057810 A029917 A062300 this_sequence A008680 A120203 A029280` `Adjacent sequences: A086913 A086914 A086915 this_sequence A086917 A086918 A086919`
	KEYWORD	`nonn`
	AUTHOR	`Pierre CAMI (colettecami(AT)aol.com), Sep 25 2003`
	EXTENSIONS	`Edited by Ray Chandler (rayjchandler(AT)sbcglobal.net), Oct 05 2003`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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