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Search: id:A056749
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| A056749 |
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Smallest palindrome greater than n in bases 2 and n. |
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+0
2
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| 3, 6643, 5, 31, 7, 85, 9, 127, 33, 255, 65, 313, 15, 693, 17, 341, 325, 381, 21, 1241, 771, 645, 325, 951, 27, 5461, 1317, 1161, 31, 1241, 33, 1453, 455, 5709, 3999, 2925, 195, 4097, 1025, 7671, 129, 2409, 45, 4097, 4095, 3855, 1421, 5049, 51, 8673, 3069
(list; graph; listen)
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OFFSET
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2,1
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MATHEMATICA
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Do[ k = n +1; While[ RealDigits[ k, n ][ [ 1 ] ] != Reverse[ RealDigits[ k, n ][ [ 1 ] ] ] || RealDigits[ k, 2 ][ [ 1 ] ] != Reverse[ RealDigits[ k, 2 ][ [ 1 ] ] ], k++ ]; Print[ k ], {n, 2, 60} ]
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CROSSREFS
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Sequence in context: A094319 A003166 A034317 this_sequence A134776 A062595 A128147
Adjacent sequences: A056746 A056747 A056748 this_sequence A056750 A056751 A056752
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KEYWORD
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nonn,base
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AUTHOR
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Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 15 2000
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