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A087443 Least integer of each prime signature ordered first by sum of exponents and then by least integer value. +0
2
1, 2, 4, 6, 8, 12, 30, 16, 24, 36, 60, 210, 32, 48, 72, 120, 180, 420, 2310, 64, 96, 144, 216, 240, 360, 840, 900, 1260, 4620, 30030, 128, 192, 288, 432, 480, 720, 1080, 1680, 1800, 2520, 6300, 9240, 13860, 60060, 510510, 256, 384, 576, 864, 960, 1296, 1440 (list; graph; listen)
OFFSET

0,2

COMMENT

A025487 in a different order.

EXAMPLE

1;

2;

4,6;

8,12,30;

16,24,36,60,210;

32,48,72,120,180,420,2310;

64,96,144,216,240,360,840,900,1260,4620,30030;

128,192,288,432,480,720,1080,1680,1800,2520,6300,9240,13860,60060,510510;

CROSSREFS

Cf. A025487, A036035, A059901, A063008, A077569.

Sequence in context: A118563 A001217 A131885 this_sequence A036035 A063008 A059901

Adjacent sequences: A087440 A087441 A087442 this_sequence A087444 A087445 A087446

KEYWORD

nonn,tabf

AUTHOR

Ray Chandler (rayjchandler(AT)sbcglobal.net), Sep 04 2003

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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