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A014690 a(n) = n + prime(n+1). +0
5
4, 7, 10, 15, 18, 23, 26, 31, 38, 41, 48, 53, 56, 61, 68, 75, 78, 85, 90, 93, 100, 105, 112, 121, 126, 129, 134, 137, 142, 157, 162, 169, 172, 183, 186, 193, 200, 205, 212, 219, 222, 233, 236, 241, 244, 257, 270, 275, 278, 283, 290, 293, 304, 311, 318, 325, 328 (list; graph; listen)
OFFSET

1,1

COMMENT

In sequence of odd primes add 1 to first prime, add 2 to 2nd prime, add 3 to 3rd prime and so on.

MATHEMATICA

a[n_]:=Prime[n+1]+n (Zak Seidov (zakseidov(AT)yahoo.com), May 05 2005)

CROSSREFS

Sequence in context: A133497 A064368 A026372 this_sequence A126891 A095875 A071408

Adjacent sequences: A014687 A014688 A014689 this_sequence A014691 A014692 A014693

KEYWORD

nonn,easy

AUTHOR

Mohammad K. Azarian (ma3(AT)evansville.edu)

EXTENSIONS

More terms from Erich Friedman (erich.friedman(AT)stetson.edu).

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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