id:A077648 - OEIS Search Results

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Initial digits of prime numbers.

+0
12

2, 3, 5, 7, 1, 1, 1, 1, 2, 2, 3, 3, 4, 4, 4, 5, 5, 6, 6, 7, 7, 7, 8, 8, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a[n]=A000030[A000040(n)]`
	MATHEMATICA	`Table[First[IntegerDigits[Prime[w]]], {w, 1, 128}]`
	CROSSREFS	`Cf. A000030, A000040, A077648.` `Sequence in context: A109905 A113493 A060420 this_sequence A033308 A134690 A065859` `Adjacent sequences: A077645 A077646 A077647 this_sequence A077649 A077650 A077651`
	KEYWORD	`base,nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Nov 19 2002`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

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