Smallest number that is n-persistent but not (n+1)-persistent, i.e., k, 2k, ..., nk, but not (n+1)k, are pandigital in the sense of A171102; 0 if such a number does not exist.
1023456798, 1023456789, 1052674893, 1053274689, 13047685942, 36492195078
2 seqfan posts
Wed Jan 11 01:00:25 CET 2012 [seqfan] Re: A051264 == A050278 ?