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Search: id:A014741
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| A014741 |
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Numbers n such that n divides s(n), where s(1)=1, s(k)=2*s(k-1)+k. |
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+0
5
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| 1, 2, 6, 18, 42, 54, 126, 162, 294, 342, 378, 486, 882, 1026, 1134, 1314, 1458, 1806, 2058, 2394, 2646, 3078, 3402, 3942, 4374, 5334, 5418, 6174, 6498, 7182, 7938, 9198, 9234, 10206, 11826, 12642, 13122, 14154, 14406, 16002, 16254
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OFFSET
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1,2
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COMMENT
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Also numbers n that divide Eulerian numbers A000295(n+1) = 2^(n+1) - n - 2. Also numbers n that divide A086787(n) = Sum[ i^j, {i, 1, n}, {j, 1, n}]. It appears that if k>1 is a term of a(n) then 3*k is also a terms of a(n). - Alexander Adamchuk (alex(AT)kolmogorov.com), Nov 03 2006
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CROSSREFS
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Cf. A000295, A086787.
Sequence in context: A034881 A064842 A101695 this_sequence A016059 A027556 A120414
Adjacent sequences: A014738 A014739 A014740 this_sequence A014742 A014743 A014744
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KEYWORD
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nonn
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AUTHOR
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njas, Olivier Gerard (ogerard(AT)ext.jussieu.fr)
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