

A171702


The first number that is (at least) nfold intrinsically 3palindromic (represented in base ten).


25



5, 26, 121, 300, 1009, 1477, 4591, 15049, 35101, 35101, 83161, 176401, 291721, 291721, 720721, 1081081, 1496881, 2106721, 3341521, 3341521, 5654881, 7207201, 8648641, 10810801, 13693681, 15135121, 21621601, 28274401, 28274401, 41081041, 41081041, 41081041
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OFFSET

1,1


LINKS



EXAMPLE

a(1)=5 is 101 in base 2.
a(2)=26 is 222 in base 3 and 101 in base 5.
a(3)=121 is 232 in base 7 and 171 in base 8.


CROSSREFS



KEYWORD

nonn,base


AUTHOR



EXTENSIONS



STATUS

approved



