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A030521 Product of first n palindromic primes plus 1. 1
3, 7, 31, 211, 2311, 233311, 30563611, 4615105111, 835334024911, 159548798757811, 49938774011194531, 17628387225951669091, 6575388435279972570571, 2518373770712229494528311, 1830857731307790842522081371, 1385959302599997667789215597091 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The subsequence of those values which are themselves primes begins: 3, 7, 31, 211, 2311, 6575388435279972570571 [Jonathan Vos Post, Feb 09 2011]

LINKS

Table of n, a(n) for n=1..16.

MATHEMATICA

palpQ[n_]:=Module[{idn=IntegerDigits[n]}, idn==Reverse[idn]]; #+1&/@FoldList[ Times, 1, Select[Prime[Range[500]], palpQ]]  (* Harvey P. Dale, Apr 23 2011 *)

CROSSREFS

Cf. A019515, A030522.

Sequence in context: A087864 A066676 A073917 * A105767 A063896 A277028

Adjacent sequences:  A030518 A030519 A030520 * A030522 A030523 A030524

KEYWORD

nonn,base

AUTHOR

Felice Russo

EXTENSIONS

Corrected and extended by Patrick De Geest, 09/2000.

More terms from Harvey P. Dale, Apr 23 2011.

STATUS

approved

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Last modified September 23 23:21 EDT 2018. Contains 315306 sequences. (Running on oeis4.)