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 A257913 #10 Jun 06 2015 11:52:26 %S A257913 2845310976,1379524608,1745960832,6398410752,3076521984,5892341760, %T A257913 2305179648,3718250496,1578369024,9145036728,5392687104,1356709824, %U A257913 1607952384,3215904768,1485029376,5638470912,5619843072,6185973240,5234098176,7246198035,1072963584 %N A257913 Pandigital numbers reordered so that the numbers A050278(n)/(2^k*3^m), where 2^k||A050278(n) and 3^m||A050278(n), appear in nondecreasing order. %C A257913 If two such numbers A050278(n_1)/(2^k_1*3^m_1) and A050278(n_2)/(2^k_2*3^m_2) are equal, then A050278(n_1) appears earlier than A050278(n_2) iff A050278(n_1)<A050278(n_2). For example, a(2)/(2^13*3^7)=a(3)/(2^7*3^11)= 77. There are 210189 such pairs. %C A257913 Note that, a(1) = 2845310976 means that min(A050278(n)/(2^k*3^m)) = 2845310976/(2^19*3^4) = 67. %Y A257913 Cf. A050278, A257893, A257899, A257901, A257914, A065330. %K A257913 nonn,base,fini %O A257913 1,1 %A A257913 _Vladimir Shevelev_ and _Peter J. C. Moses_, May 12 2015