This site is supported by donations to The OEIS Foundation.

Thanks to everyone who made a donation during our annual appeal!
To see the list of donors, or make a donation, see the OEIS Foundation home page.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 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 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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified January 18 04:47 EST 2019. Contains 319269 sequences. (Running on oeis4.)