This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A171571 #17 Oct 30 2018 10:31:02
%S A171571 113717421,113717422,113717431,113717433,113717442,113717443,
%T A171571 113717521,113717522,113717541,113717544,113717552,113717554,
%U A171571 113717631,113717633,113717641,113717644,113717663,113717664,113717742,113717743,113717752
%N A171571 A050278/9, where A050278 are the pandigital numbers.
%C A171571 This is a finite sequence with 9*9! = 3265920 terms: a(9*9!) = 9876543210/9 = 1097393690. - _Zak Seidov_, Jan 14 2012
%C A171571 First differences are given in A217626. - _M. F. Hasler_, Sep 18 2017
%t A171571 (* first 720 terms: *) (1023000000 + FromDigits/@Permutations[{4,5,6,7,8,9}])/9
%Y A171571 Cf. A050278: Pandigital numbers, numbers containing the digits 0-9.
%Y A171571 Cf. A217626.
%K A171571 base,fini,nonn
%O A171571 1,1
%A A171571 _Zak Seidov_, Dec 12 2009