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A137558
A137521(n)/5.
1
49, 69, 109, 149, 229, 269, 349, 389, 469, 589, 629, 749, 829, 869, 949, 1069, 1189, 1229, 1349, 1429, 1469, 1589, 1669, 1789, 1949, 2029, 2069, 2149, 2189, 2269
OFFSET
1,1
FORMULA
a(n) = 20p + 9, where p is the n-th prime. - Charles R Greathouse IV, Aug 25 2014
PROG
(PARI) a(n)=20*prime(n)+9 \\ Charles R Greathouse IV, Aug 25 2014
CROSSREFS
Sequence in context: A242702 A341177 A117459 * A316676 A155713 A112074
KEYWORD
nonn,base,easy,less
AUTHOR
Odimar Fabeny, Apr 24 2008
STATUS
approved