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Search: id:A054786
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| A054786 |
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Earliest sequence with a(a(n))=6n. |
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+0
1
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| 0, 2, 6, 4, 18, 7, 12, 30, 9, 48, 11, 60, 36, 14, 78, 16, 90, 19, 24, 102, 21, 120, 23, 132, 108, 26, 150, 28, 162, 31, 42, 174, 33, 192, 35, 204, 72, 38, 222, 40, 234, 43, 180, 246, 45, 264, 47, 276, 54, 50, 294, 52, 306, 55, 288, 318, 57, 336, 59, 348, 66, 62, 366, 64
(list; graph; listen)
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OFFSET
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0,2
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LINKS
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T. D. Noe, Table of n, a(n) for n=0..1000
Index entries for sequences of the a(a(n)) = 2n family
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FORMULA
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a(12n)=6*a(2n), a(12n+1)=12n+2, a(12n+2)=72n+6, a(12n+3)=12n+4, a(12n+4)=72n+18, a(12n+5)=12n+7, a(12n+6)=6*a(2n+1), a(12n+7)=72n+30, a(12n+8)=12n+9, a(12n+9)=72n+48, a(12n+10)=12n+11, a(12n+4)=72n+60
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CROSSREFS
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Cf. A002516, A002517, A002518, A007379.
Sequence in context: A095754 A127320 A098917 this_sequence A033457 A133936 A065350
Adjacent sequences: A054783 A054784 A054785 this_sequence A054787 A054788 A054789
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KEYWORD
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nice,nonn
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AUTHOR
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Henry Bottomley (se16(AT)btinternet.com), Apr 27 2000
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