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Search: id:A153776
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| A153776 |
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Sequence S such that 1 is in S and if x is in S, then 5x-3 and 5x-1 are in S. |
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+0
2
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| 1, 2, 4, 7, 9, 17, 19, 32, 34, 42, 44, 82, 84, 92, 94, 157, 159, 167, 169, 207, 209, 217, 219, 407, 409, 417, 419, 457, 459, 467, 469, 782, 784, 792, 794, 832, 834, 842, 844, 1032, 1034, 1042, 1044, 1082, 1084, 1092, 1094, 2032, 2034, 2042, 2044, 2082, 2084
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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Subsequences include A047850, A083065.
1st generation: 1
2nd generation: 2, 4
3rd generation: 7, 9, 17, 19
4th generation: 32, 34, 42, 44, 82, 84, 92, 94
Does every generation contain p or 2p for some prime p?
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CROSSREFS
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Cf. A047850, A083065, A153773, A153775.
Sequence in context: A110078 A085800 A155190 this_sequence A005625 A067785 A059186
Adjacent sequences: A153773 A153774 A153775 this_sequence A153777 A153778 A153779
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KEYWORD
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nonn
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AUTHOR
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Clark Kimberling (ck6(AT)evansville.duc), Jan 02 2009
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