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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..30.

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

Adjacent sequences:  A137555 A137556 A137557 * A137559 A137560 A137561

KEYWORD

nonn,base,easy,less

AUTHOR

Odimar Fabeny, Apr 24 2008

STATUS

approved

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Last modified June 26 06:36 EDT 2022. Contains 354877 sequences. (Running on oeis4.)