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A050660 Numbers n such that number of primes produced according to rules stipulated in Honaker's A048853 is 9. +0
2
117, 121, 123, 129, 131, 137, 143, 163, 167, 193, 199, 201, 213, 243, 263, 267, 283, 287, 333, 343, 347, 407, 431, 437, 447, 451, 471, 477, 481, 483, 497, 501, 543, 553, 591, 603, 609, 633, 641, 667, 681, 687, 693, 697, 731, 737, 747, 753, 757, 759, 783 (list; graph; listen)
OFFSET

1,1

EXAMPLE

Altering a(1)=117 gives 9 primes: 317, 617, 107, 127, 137, 157, 167, 197 and 113.

CROSSREFS

Cf. A048853, A050662, A050671.

Adjacent sequences: A050657 A050658 A050659 this_sequence A050661 A050662 A050663

Sequence in context: A035814 A009617 A009687 this_sequence A023682 A084344 A015706

KEYWORD

nonn,base

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com), Jul 15 1999.

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Last modified October 11 09:12 EDT 2008. Contains 144832 sequences.


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