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Search: id:A163264
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A163264 Highly composite numbers that are the product of consecutive integers. +0
2
2, 6, 12, 24, 60, 120, 240, 360, 720, 840, 1260, 1680, 2520, 5040, 15120, 20160, 50400, 55440, 166320, 332640, 665280, 2162160, 3603600, 4324320, 8648640, 17297280, 32432400, 43243200 (list; graph; listen)
OFFSET

1,1

COMMENT

Intersection of A002182 and A045619. Some of these numbers have two representations as the product of consecutive integers. The shortest representation is shown in the examples below. This sequence is probably complete.

EXAMPLE

2=1*2, 6=2*3, 12=3*4, 24=2*3*4, 60=3*4*5, 120=4*5*6, 240=15*16, 360=3*4*5*6, 720=8*9*10, 840=4*5*6*7, 1260=35*36, 1680=5*6*7*8, 2520=3*4*5*6*7, 5040=7*8*9*10, 15120=5*6*7*8*9, 20160=3*4*5*6*7*8, 50400=224*225, 55440=7*8*9*10*11, 166320=54*55*56, 332640=6*7*8*9*10*11, 665280=7*8*9*10*11*12, 2162160=9*10*11*12*13*14, 3603600=10*11*12*13*14*15, 4324320=2079*2080, 8648640=7*8*9*10*11*12*13, 17297280=63*64*65*66, 32432400=9*10*11*12*13*14*15, 43243200=350*351*352

CROSSREFS

A064224

Sequence in context: A132176 A133953 A122863 this_sequence A163895 A034882 A137829

Adjacent sequences: A163261 A163262 A163263 this_sequence A163265 A163266 A163267

KEYWORD

nonn

AUTHOR

T. D. Noe (noe(AT)sspectra.com), Jul 28 2009

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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