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A046493 Primes expressible as the sum of 3 consecutive palindromic primes. 0

%I

%S 23,383,463,523,857,1039,1109,1483,1867,2341,2503,12149,32413,37963,

%T 38873,39983,43013,44533,52103,53623,56053,59273,90709,91309,91909,

%U 93329,94849,96259,111409,180007,215461,219001,219911,224351,233941

%N Primes expressible as the sum of 3 consecutive palindromic primes.

%H P. De Geest, <a href="http://www.worldofnumbers.com/palpri.htm">World!Of Palindromic Primes</a>

%e 12149 = 919 + 929 + 10301.

%t 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 *)

%Y Cf. A000040, A002385.

%K nonn,base

%O 1,1

%A _Patrick De Geest_, Sep 15 1998

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Last modified September 28 12:34 EDT 2020. Contains 337393 sequences. (Running on oeis4.)