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A046426 6 steps needed to reach a prime under prime factor concatenation procedure. 0
45, 64, 153, 156, 169, 186, 190, 195, 258, 304, 325, 381, 396, 464, 493, 561, 575, 602, 646, 652, 662, 713, 725, 825, 843, 879, 880, 899, 944, 948, 951, 957, 988, 989, 1007, 1048, 1106, 1121, 1166, 1239, 1252, 1265, 1267, 1293, 1390, 1422, 1474, 1480, 1486 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

P. De Geest, Home Primes

CROSSREFS

Cf. A037271, A046411.

Sequence in context: A046364 A051773 A140278 * A056776 A172466 A038494

Adjacent sequences:  A046423 A046424 A046425 * A046427 A046428 A046429

KEYWORD

nonn,base

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com), Jun 15 1998.

EXTENSIONS

Edited by Charles R Greathouse IV (charles.greathouse(AT)case.edu), Apr 28 2010

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Last modified February 16 21:51 EST 2012. Contains 205978 sequences.