id:A039996 - OEIS Search Results

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Primes embedded in prime(n).

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1, 1, 1, 1, 1, 2, 2, 1, 3, 2, 2, 3, 1, 2, 2, 3, 2, 1, 2, 2, 3, 2, 2, 1, 2, 1, 2, 2, 1, 4, 3, 4, 5, 3, 1, 2, 3, 2, 3, 5, 4, 1, 2, 3, 4, 2, 3, 4, 3, 3, 4, 4, 3, 3, 4, 3, 2, 4, 3, 2, 4, 4, 3, 4, 4, 5, 3, 4, 4, 2, 4, 4, 4, 5, 5, 3, 3, 4, 1, 1, 3, 2, 4, 3, 3, 3, 1, 3, 2, 2, 3, 4, 2, 1, 1, 3, 2, 3, 5, 3, 4, 3, 3, 2, 4 (list; graph; listen)

	OFFSET	`1,6`
	COMMENT	`a(n) counts substrings of digits of prime(n) which denote primes.`
	FORMULA	`a(n) = A039997(prime(n)).`
	CROSSREFS	`Different from A039994.` `Sequence in context: A094366 A124018 A111709 this_sequence A039994 A112200 A112221` `Adjacent sequences: A039993 A039994 A039995 this_sequence A039997 A039998 A039999`
	KEYWORD	`nonn,base`
	AUTHOR	`Dave Wilson`

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

AT&T Labs Research