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A067248 Numbers n such that digits of prime(n) end in n. +0
4
7, 9551, 303027, 440999, 968819, 5517973, 27737957, 93230839 (list; graph; listen)
OFFSET

1,1

COMMENT

There is no further term up to 115000000. - Farideh Firoozbakht (mymontain(AT)yahoo.com), Jan 01 2007

EXAMPLE

Prime(968819) = 14968819 which ends in 968819, so 968819 is a term of the sequence.

MATHEMATICA

(*returns true if a ends with b, false o.w.*) f[a_, b_] := Module[{c, d, e, g, h, i, r}, r = False; c = ToString[a]; d = ToString[b]; e = StringLength[c]; g = StringPosition[c, d]; h = Length[g]; If[h > 0, i = g[[h]]; If[i[[2]] == e, r = True]]; r]; Do[If[f[Prime[n], n], Print[n]], {n, 1, 10^6}]

CROSSREFS

Corresponding primes are in A046883.

Cf. A046883, A068575, A075902.

Adjacent sequences: A067245 A067246 A067247 this_sequence A067249 A067250 A067251

Sequence in context: A137693 A116631 A074489 this_sequence A131676 A134645 A115997

KEYWORD

base,nonn

AUTHOR

Joseph L. Pe (joseph_l_pe(AT)hotmail.com), Feb 20 2002

EXTENSIONS

One more term from Zak Seidov (zakseidov(AT)yahoo.com), Sep 27 2002

Two more terms from Farideh Firoozbakht, Jan 01 2007

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.


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