A102458 - OEIS

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A102458

Numbers n with A102457(n) != lpf(n-1) (lpf = least prime factor).

2

2, 152, 158, 338, 368, 380, 524, 542, 548, 608, 614, 662, 674, 692, 998, 1052, 1094, 1110, 1154, 1182, 1202, 1238, 1292, 1322, 1328, 1472, 1532, 1544, 1598, 1622, 1628, 1664, 1862, 1934, 1952, 2018, 2030, 2084, 2132, 2240, 2340, 2342, 2352, 2468, 2474

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..45.

CROSSREFS

Cf. A102457, A102459.

Sequence in context: A261967 A024245 A113576 * A206309 A265880 A064436

Adjacent sequences: A102455 A102456 A102457 * A102459 A102460 A102461

KEYWORD

nonn

AUTHOR

David W. Wilson, Jan 09 2005

STATUS

approved