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A075804 Differences between adjacent palindromic nonsquarefree numbers A035132. 1
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; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
a(1) = 8 - 4 = 4, a(2) = 9 - 8 = 1, a(3) = 44 - 9 = 35.
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 7000 do if test(n) then s := [op(s), n]; end; od; a := [op(2..-1, s)-op(1..-2, s)];
CROSSREFS
Sequence in context: A051142 A266240 A322601 * A059844 A277169 A144284
KEYWORD
nonn,base
AUTHOR
Jani Melik, Oct 13 2002
EXTENSIONS
Edited by Dean Hickerson, Oct 21 2002
STATUS
approved

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Last modified March 18 22:56 EDT 2024. Contains 370952 sequences. (Running on oeis4.)