Search: a043047 -id:a043047
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A043003
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Base-4 palindromes that start with 1.
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+10
3
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1, 5, 17, 21, 25, 29, 65, 85, 105, 125, 257, 273, 289, 305, 325, 341, 357, 373, 393, 409, 425, 441, 461, 477, 493, 509, 1025, 1105, 1185, 1265, 1285, 1365, 1445, 1525, 1545, 1625, 1705, 1785, 1805, 1885, 1965, 2045, 4097, 4161
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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LINKS
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MATHEMATICA
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Join[{1}, Table[FromDigits[#, 4]&/@(Join[{1}, #, {1}]&/@Select[Tuples[ Range[ 0, 3], n], #==Reverse[#]&]), {n, 0, 5}]//Flatten]
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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