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A115738 n is prime and digits of n^2 include digits of n as substring. 6
5, 66952741, 146509717, 753348181, 562984507451, 860628177919, 978058181203, 50385563791193 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Subset of A046831.

a(9) > 10^14. Primes 43473168442554675203, 20944025626422831137347, 35083931242599287584057, and 569177878099445999493598065089 are also terms. - Giovanni Resta, Sep 10 2018

LINKS

Table of n, a(n) for n=1..8.

EXAMPLE

66952741^2 = 4482_66952741_3081.

CROSSREFS

Cf. A046831, A115739, A115763.

Sequence in context: A111727 A277630 A231018 * A115763 A052000 A094467

Adjacent sequences:  A115735 A115736 A115737 * A115739 A115740 A115741

KEYWORD

nonn,base,more

AUTHOR

Giovanni Resta, Jan 30 2006

EXTENSIONS

a(8) from Giovanni Resta, Sep 08 2018

STATUS

approved

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Last modified December 18 18:54 EST 2018. Contains 318243 sequences. (Running on oeis4.)