id:A039994 - 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, 2, 3, 3, 2, 4, 4, 5, 6, 4, 2, 3, 4, 3, 4, 6, 5, 2, 3, 4, 5, 2, 3, 4, 3, 3, 4, 5, 3, 3, 4, 4, 3, 4, 3, 2, 5, 5, 4, 4, 4, 6, 3, 4, 5, 2, 4, 4, 5, 5, 5, 3, 3, 5, 2, 1, 3, 3, 5, 3, 3, 3, 1, 4, 3, 3, 4, 4, 3, 2, 1, 4, 3, 3, 6, 3, 4, 3, 4, 3, 4 (list; graph; listen)

	OFFSET	`1,6`
	COMMENT	`a(n) counts subsequences of digits of prime(n) which denote primes.`
	FORMULA	`a(n) = A039995(prime(n)).`
	CROSSREFS	`Different from A039996.` `Sequence in context: A124018 A111709 A039996 this_sequence A112200 A112221 A130816` `Adjacent sequences: A039991 A039992 A039993 this_sequence A039995 A039996 A039997`
	KEYWORD	`nonn,base`
	AUTHOR	`Dave Wilson`

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Last modified July 25 02:12 EDT 2008. Contains 142294 sequences.

AT&T Labs Research