A171742 - OEIS

A171742

First 4-fold intrinsically n-palindrome (given in base ten).

24, 300, 30222192, 4838419019

(list; graph; refs; listen; history; text; internal format)

OFFSET

2,1

COMMENTS

Given the size of the first 3-fold 6-palindrome (13 base-ten digits; see A171705 or A171741), a fifth term is going to be difficult.

LINKS

EXAMPLE

a(2)=24 is 11 in base 23, 22 in base 11, 33 in base 7 and 44 in base 5.

a(3)=300 is 1A1 in base 13, 363 in base 9, 454 in base 8 and 606 in base 7.

CROSSREFS

KEYWORD

more,hard,nonn,base

AUTHOR

STATUS

approved