id:A046719 - OEIS Search Results

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Total number of digits in all primes with n digits.

+0
2

4, 42, 429, 4244, 41815, 413436, 4102567, 40775008, 405774711, 4042049770, 40293025322, 401878286460, 4009949122673, 40024266995482, 399594430078005, 3990300329780096, 39853419882545236, 398095148341559286, 3977036546783471193 (list; graph; listen)

	OFFSET	`4,1`
	EXAMPLE	`There are 21 2-digit primes, so a(2)=2*21=42.`
	CROSSREFS	`a(n)=n*b(n) where b(n) is A006879.` `Sequence in context: A118447 A037296 A085954 this_sequence A092800 A156440 A151453` `Adjacent sequences: A046716 A046717 A046718 this_sequence A046720 A046721 A046722`
	KEYWORD	`easy,nonn,base`
	AUTHOR	`Enoch Haga (Enokh(AT)comcast.net)`
	EXTENSIONS	`Corrected by Jud McCranie (j.mccranie(AT)comcast.net) and N. J. A. Sloane (njas(AT)research.att.com).`

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

AT&T Labs Research