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Search: id:A075804
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| A075804 |
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Differences between adjacent palindromic non-squarefree numbers A035132. |
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+0
1
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| 4, 1, 35, 44, 11, 22, 50, 41, 20, 10, 10, 20, 20, 41, 10, 20, 41, 10, 10, 20, 20, 20, 41, 50, 10, 31, 20, 20, 10, 10, 10, 10, 51, 61, 20, 20, 20, 20, 21, 90, 332, 550, 231, 220, 220, 110, 110, 220, 671, 110, 220, 11, 110, 110, 220, 110, 110, 220, 341, 220, 330, 341
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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a(1)=8-4=4, a(2)=9-8=1,a(3)=44-9=35.
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MAPLE
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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 7000 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
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Cf. A037010, A035132.
Sequence in context: A077097 A123126 A051142 this_sequence A059844 A144284 A144285
Adjacent sequences: A075801 A075802 A075803 this_sequence A075805 A075806 A075807
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KEYWORD
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nonn,base
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AUTHOR
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Jani Melik (jani_melik(AT)hotmail.com), Oct 13 2002
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EXTENSIONS
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Edited by Dean Hickerson (dean.hickerson(AT)yahoo.com), Oct 21 2002
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