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Table of n, a(n) for n=1..49.
The prime corresponding to the triangular number 21 is 43.
Sequence in context: A316352 A114532 A003061 * A168278 A267499 A090521
Adjacent sequences: A087382 A087383 A087384 * A087386 A087387 A087388
Amarnath Murthy, Sep 09 2003
More terms from Sam Alexander, Dec 28 2003