

A164839


Lefttruncatable squares: every suffix is square.


0




OFFSET

1,2


COMMENTS

This sequence is finite and 81 is the last term. If another term were to exist it must contain 3 digits and contract to 49, 64, or 81. No such 3 digit square exists. [From Sean A. Irvine, Sep 08 2009]


LINKS



EXAMPLE

a(5) = 64 since 64 is a perfect square and 4 is also a perfect square.


CROSSREFS



KEYWORD

nonn,base,fini,full


AUTHOR



STATUS

approved



