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A075803
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Differences between adjacent palindromic squarefree numbers.
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0
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1, 1, 2, 1, 1, 4, 11, 11, 22, 11, 11, 24, 10, 20, 10, 10, 10, 20, 10, 11, 20, 40, 20, 21, 10, 10, 30, 20, 10, 10, 41, 20, 20, 20, 11, 10, 20, 10, 10, 10, 30, 11, 20, 20, 61, 10, 10, 10, 20, 10, 10, 10, 10, 21, 20, 20, 20, 20, 21, 10, 10, 10, 10, 10, 10, 10, 12, 110, 110, 220
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,3
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EXAMPLE
| a(1)=2-1=1, a(3)=5-3=2, a(6)=11-7=4.
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MAPLE
| test := proc(n) local d; d := convert(n, base, 10); return ListTools[Reverse](d)=d and numtheory[mobius](n)<>0; end; s := []; for n from 1 to 1500 do if test(n) then s := [op(s), n]; end; od; a := [op(2..-1, s)-op(1..-2, s)];
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CROSSREFS
| Cf. A037010.
Sequence in context: A094424 A166888 A083677 * A127966 A184880 A165623
Adjacent sequences: A075800 A075801 A075802 * A075804 A075805 A075806
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KEYWORD
| nonn,base
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AUTHOR
| Jani Melik (jani_melik(AT)hotmail.com), Oct 13 2002
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EXTENSIONS
| Edited by Dean Hickerson (dean.hickerson(AT)yahoo.com), Oct 21 2002
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