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A181884 The sums of pairs of adjacent terms are the odd palindromic primes in ascending order. 4
3, 0, 5, 2, 9, 92, 39, 112, 69, 122, 191, 162, 211, 172, 555, 202, 585, 212, 707, 222, 10079, 422, 10179, 1132, 10279, 2142, 10579, 2242, 11089, 2742, 11189, 3152, 11589, 3862, 11689, 4372, 11989, 4572, 12089, 5382, 12589, 5592, 5596 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

This sequence was originally presented at http://www.sanaristikot.net by V.J. Pohjola, Nov 11 2010. [Added by V.J. Pohjola, Nov 25 2010.]

There are four possible solutions: see A181881-A181884.

REFERENCES

V. J. Pohjola, Posting to the Sequence Fans Mailing List, Nov 11 2010

LINKS

Table of n, a(n) for n=1..43.

Cf. A002385, A181881-A181884.

MATHEMATICA

lst = {}; a = 3; c = -1; Label[alku1]; b = c; Label[alku2]; b =b + 1; If[PrimeQ[a + b] && IntegerDigits[a + b] == Reverse[IntegerDigits[a + b]], AppendTo[lst, a], Goto[alku2]]; c = a; a = b; If[a < nn, Goto[alku1]]; lst  (* V.J. Pohjola, Nov 25 2010 *)

CROSSREFS

Sequence in context: A193067 A177886 A011293 * A201565 A088191 A179179

Adjacent sequences:  A181881 A181882 A181883 * A181885 A181886 A181887

KEYWORD

nonn,easy,base

AUTHOR

N. J. A. Sloane, Nov 18 2010

EXTENSIONS

More terms from Nathaniel Johnston, Nov 22 2010

STATUS

approved

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Last modified April 24 03:15 EDT 2014. Contains 240947 sequences.