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A046493 Primes expressible as the sum of 3 consecutive palindromic primes. 0
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

P. De Geest, World!Of Palindromic Primes

EXAMPLE

E.g. 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 A016267 A142821

Adjacent sequences:  A046490 A046491 A046492 * A046494 A046495 A046496

KEYWORD

nonn,base

AUTHOR

Patrick De Geest, Sep 15 1998.

STATUS

approved

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Last modified September 25 11:05 EDT 2018. Contains 315389 sequences. (Running on oeis4.)