A046493 - OEIS

A046493

Primes expressible as the sum of 3 consecutive palindromic primes.

23, 383, 463, 523, 857, 1039, 1109, 1483, 1867, 2341, 2503, 12149, 32413, 37963, 38873, 39983, 43013, 44533, 52103, 53623, 56053, 59273, 90709, 91309, 91909, 93329, 94849, 96259, 111409, 180007, 215461, 219001, 219911, 224351, 233941

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..35.

P. De Geest, World!Of Palindromic Primes

EXAMPLE

12149 = 919 + 929 + 10301.

MATHEMATICA

palQ[n_] := Reverse[x = IntegerDigits[n]] == x; t = Select[Prime[Range[7750]], palQ]; Select[Total /@ Partition[t, 3, 1], PrimeQ] (* Jayanta Basu, Jun 26 2013 *)

CROSSREFS

Cf. A000040, A002385.

Sequence in context: A016324 A264321 A285234 * A014926 A353117 A016267

Adjacent sequences: A046490 A046491 A046492 * A046494 A046495 A046496

KEYWORD

nonn,base

AUTHOR

Patrick De Geest, Sep 15 1998

STATUS

approved