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Table of n, a(n) for n=1..49.
Altering a(1)=23 gives 6 primes: 13, 43, 53, 73, 83 and 29.
Cf. A048853, A050673, A050657.
Sequence in context: A244323 A227174 A050657 * A199219 A115699 A301623
Adjacent sequences: A050665 A050666 A050667 * A050669 A050670 A050671
Patrick De Geest, Jul 15 1999