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Search: id:A068857
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| A068857 |
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a(1) = 0 = 0*2; a(n) = smallest multiple of a(n-1) which is of the form 2k*(2k+2). |
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+0
3
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| 0, 8, 24, 48, 288, 16128, 11950848, 4636929024, 41732361216, 375591250944, 3380321258496, 30422891326464, 273806021938176, 2464254197443584, 22178287776992256, 199604589992930304, 399209179985860608
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OFFSET
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0,2
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EXAMPLE
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24 = 4*6 is a member and the smallest multiple of 24 which is of the form 2k(2k+2) is 48 = 6*8.
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CROSSREFS
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Sequence in context: A022763 A033996 A028612 this_sequence A064225 A054275 A122655
Adjacent sequences: A068854 A068855 A068856 this_sequence A068858 A068859 A068860
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KEYWORD
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nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Mar 12 2002
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EXTENSIONS
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More terms from Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Mar 23 2002
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