id:A083743 - OEIS Search Results

Search: id:A083743

Displaying 1-1 of 1 results found.

page 1

a(1) =1; if a(n-1) + n is prime then a(n) = a(n-1) + n, else a(n) = a(n-1).

+0
3

1, 3, 3, 7, 7, 13, 13, 13, 13, 23, 23, 23, 23, 37, 37, 53, 53, 71, 71, 71, 71, 71, 71, 71, 71, 97, 97, 97, 97, 127, 127, 127, 127, 127, 127, 163, 163, 163, 163, 163, 163, 163, 163, 163, 163, 163, 163, 211, 211, 211, 211, 263, 263, 317, 317, 373, 373, 431, 431, 491 (list; graph; listen)

	OFFSET	`1,2`
	MAPLE	a := proc(n) option remember: if n=1 then RETURN(1) fi: if isprime(a(n-1)+n) then RETURN(a(n-1)+n) else RETURN(a(n-1)) fi: end: for n from 1 to 100 do printf(`%d, `, a(n)) od:
	CROSSREFS	`Sequence in context: A109579 A109580 A128508 this_sequence A126990 A128498 A086530` `Adjacent sequences: A083740 A083741 A083742 this_sequence A083744 A083745 A083746`
	KEYWORD	`easy,nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), May 05 2003`
	EXTENSIONS	`More terms and Maple code from James A. Sellers (sellersj(AT)math.psu.edu), May 19, 2003`

page 1

Search completed in 0.002 seconds

Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

AT&T Labs Research