A171705 The first n-fold intrinsically 6-palindromic number (represented in base ten).
33, 207702, 2853326516320
Offset: 1
Examples
a(2)=207702 is 625526 in base 8. a(3)=2853326516320 is 6-palindromic for the first of three times with (54)(137)(69)(69)(137)(54) in base 139.
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