id:A146072 - OEIS Search Results

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First re-appearance of first digit in decimal expansion of sqrt(prime(n)).

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3, 28, 2, 32, 2, 13, 18, 9, 18, 4, 2, 6, 17, 17, 5, 18, 8, 9, 3, 16, 20, 2, 10, 5, 12, 11, 3, 50, 13, 6, 2, 2, 2, 2, 10, 20, 12, 6, 25, 3, 9, 16, 11, 29, 13, 3, 38, 6, 7, 3, 60, 19, 6, 10, 5, 4, 5, 12, 7, 10, 11, 3, 5, 6, 5, 10, 3, 16, 10, 5, 48, 11, 3, 4, 14, 21, 13, 12, 4, 3, 16, 6, 11, 8, 5 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`Zak Seidov, Table of n, a(n) for n=1..1000`
	EXAMPLE	`In the first 1000 terms, the largest is a(128): sqrt(prime(12)) = sqrt(719) = 26.8141753555838446187535034388744970639536100399145031439633780437859848191065407572.`
	MATHEMATICA	`Table[rd=RealDigits[N[Sqrt@Prime[n], 100]][[1]]; Flatten[Position[rd, rd[[1]]]][[2]], {n, 1000}]`
	CROSSREFS	`A065593 and A112788 First re-appearance of first n digits in decimal expansion of Pi and e.` `Sequence in context: A014222 A162414 A071107 this_sequence A073049 A064234 A037102` `Adjacent sequences: A146069 A146070 A146071 this_sequence A146073 A146074 A146075`
	KEYWORD	`nonn`
	AUTHOR	`Zak Seidov (zakseidov(AT)yahoo.com), Oct 26 2008`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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