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Search: id:A109745
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| A109745 |
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Admirable numbers that set a new record for largest subtracted divisor. |
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+0
1
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| 12, 24, 84, 120, 270, 672, 1488, 1638, 6200, 24384, 174592, 523776, 44736512, 91963648, 100651008, 459818240, 1476304896, 10200236032, 25769607168, 51001180160
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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The records set are A000203(a(n))-a(n) = 2, 6, 28, 60, 90, 336, 496, 546, 1240, 8128, 21824,... - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 12 2008
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CROSSREFS
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Cf. A111592, A111646.
Sequence in context: A081751 A120360 A120356 this_sequence A051385 A056500 A056490
Adjacent sequences: A109742 A109743 A109744 this_sequence A109746 A109747 A109748
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KEYWORD
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more,nonn
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AUTHOR
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Jason Earls (zevi_35711(AT)yahoo.com), Aug 10 2005
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EXTENSIONS
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a(13)-a(20) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Nov 11 2008
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