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A043082 (s(n)+7)/10, where s(n)=n-th base 10 palindrome that starts with 3. 0
1, 4, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 301, 312, 323, 334, 345, 356, 367, 378, 389, 400, 3001, 3011, 3021, 3031, 3041, 3051, 3061, 3071, 3081, 3091, 3102, 3112, 3122, 3132, 3142, 3152, 3162, 3172, 3182, 3192, 3203, 3213 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..44.

MATHEMATICA

palQ[n_]:=Module[{idn=IntegerDigits[n]}, idn==Reverse[idn]]; (#+7)/10&/@ Select[Range[40000], palQ[#]&&First[IntegerDigits[#]]==3&] (* Harvey P. Dale, Nov 29 2014 *)

CROSSREFS

Sequence in context: A196248 A196246 A025416 * A216302 A070522 A087689

Adjacent sequences:  A043079 A043080 A043081 * A043083 A043084 A043085

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified August 23 22:23 EDT 2017. Contains 291021 sequences.