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A090272 Take each palindrome ending in 1, 3, 7, or 9 and find smallest prime formed by the digits of that palindrome, followed by a string of digits, followed by the palindrome again. 2
11, 313, 727, 919, 11311, 33533, 77377, 990599, 10101101, 1114111, 1212121, 1311131, 1411141, 1513151, 1611161, 1712171, 18102181, 1917191, 30301303, 3135313, 3233323, 3331333, 3439343, 35301353, 3635363, 3732373, 3836383 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..27.

EXAMPLE

Prime pertaining to 11 is 11311 and that pertaining to 99 is 990599.

CROSSREFS

Cf. A090270, A090272.

Sequence in context: A060495 A251589 A070278 * A090271 A267753 A233241

Adjacent sequences:  A090269 A090270 A090271 * A090273 A090274 A090275

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, Nov 28 2003

EXTENSIONS

More terms from Joshua Zucker, May 03 2006

STATUS

approved

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Last modified June 25 18:38 EDT 2022. Contains 354851 sequences. (Running on oeis4.)