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A115763 Primes p such that the digits of p^2, reversed, include the digits of p as a substring. 4
5, 87690769, 311314139, 44466725441, 38460053757197 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
a(6) > 6*10^14. - Giovanni Resta, Oct 21 2018
LINKS
Table of n, a(n) for n=1..5.
EXAMPLE
311314139^2 = 969164(931413113)21.
CROSSREFS
Cf. A115761, A115762, A115764, A115738.
Sequence in context: A277630 A231018 A115738 * A052000 A094467 A242828
Adjacent sequences: A115760 A115761 A115762 * A115764 A115765 A115766
KEYWORD
nonn,base,more
AUTHOR
Giovanni Resta, Jan 30 2006
EXTENSIONS
a(5) from Giovanni Resta, Sep 11 2018
STATUS
approved

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Last modified May 14 06:13 EDT 2024. Contains 372528 sequences. (Running on oeis4.)