id:A078400 - OEIS Search Results

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Iterated sum-of-digits of A078403(n).

+0
3

2, 3, 5, 7, 2, 5, 2, 5, 7, 2, 5, 7, 7, 2, 7, 2, 5, 5, 2, 5, 7, 5, 2, 2, 7, 2, 5, 7, 5, 2, 7, 2, 5, 5, 7, 2, 7, 5, 7, 2, 7, 5, 2, 5, 5, 7, 7, 2, 7, 2, 2, 5, 5, 7, 5, 2, 2, 5, 7, 5, 7, 2, 5, 2, 7, 2, 7, 7, 7, 5, 5, 5, 2, 2, 7, 2, 5, 7, 2, 2, 5, 2, 5, 2, 7, 5, 2, 5, 7, 5, 7, 7, 7, 2, 5, 2, 7, 2, 2, 5, 7, 2, 5, 7, 7 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`Cino Hilliard, Digital Roots`
	PROGRAM	`(PARI) drp(n) = { forprime(x=2, n, r = x%9; if(isprime(r), print1(r" "); ); ); }`
	CROSSREFS	`Cf. A038194, A078403.` `Sequence in context: A111309 A007605 A077765 this_sequence A068951 A139752 A004088` `Adjacent sequences: A078397 A078398 A078399 this_sequence A078401 A078402 A078403`
	KEYWORD	`easy,nonn,base`
	AUTHOR	`Cino Hilliard (hillcino368(AT)gmail.com), Dec 24 2002`
	EXTENSIONS	`More terms from Joshua Zucker (joshua.zucker(AT)stanfordalumni.org), Jul 24 2006`

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Last modified December 21 10:15 EST 2009. Contains 171081 sequences.

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