id:A050777 - OEIS Search Results

Search: id:A050777

Displaying 1-1 of 1 results found.

page 1

First occurrence from iterated procedure 'composite k added to sum of its prime factors reaches a prime' yielding n skipped primes.

+0
1

38400, 6, 10, 26, 8, 18, 4, 39, 16, 30, 27, 32, 126, 76, 92, 87, 63, 77, 122, 49, 62, 120, 56, 50, 45, 117, 110, 196, 88, 102, 75, 246, 171, 72, 70, 234, 60, 469, 66, 217, 260, 198, 244, 387, 550, 230, 528, 362, 519, 764, 500, 494, 566, 376, 548, 386, 526, 481 (list; graph; listen)

	OFFSET	`0,1`
	LINKS	`C. Rivera, See also related puzzle`
	EXAMPLE	`a(1)=38400 + (2+2+2+2+2+2+2+2+2+3+5+5) = 38431. '0' primes between 38400 and 38431.` `a(2)=6 + (2+3) = 11. '1' prime between 6 and 11.` `a(3)=10 + (2+5) = 17. '2' primes between 10 and 17.`
	CROSSREFS	`Cf. A050765, A050768-A050776, A050703.` `Sequence in context: A068077 A094427 A138400 this_sequence A050765 A013873 A050766` `Adjacent sequences: A050774 A050775 A050776 this_sequence A050778 A050779 A050780`
	KEYWORD	`nonn`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), Sep 15 1999.`

page 1

Search completed in 0.002 seconds

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

AT&T Labs Research