

A171706


The first nfold intrinsically 7palindromic number (represented in base 10).


25




OFFSET

1,1


COMMENTS

Though this sequence is apt to never have many known members, its third is quite a nice coincidence for consideration.
A029965 runs just short of space to show it, and A053780 is a totally unrelated collection of palindromes that also includes 33633 in addition to 3360633.


LINKS



EXAMPLE

a(2)=186621 is 3555553 in base 6 and 1405041 in base 7.
a(3)=3360633 is 6281826 in base 9 and 1995991 in base 11.


CROSSREFS



KEYWORD

more,nonn,bref,base


AUTHOR



EXTENSIONS



STATUS

approved



