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 A370972 #36 Apr 20 2024 10:49:37 %S A370972 8596,8790,9360,9380,9870,10752,10764,10854,10968,11760,12780,13608, %T A370972 13860,14760,14780,14820,15628,15678,16038,16704,16920,17082,17280, %U A370972 17340,17640,17820,17920,18090,18096,18690,18720,18960,19068,19084,19240,19440,19460,19608,19740,19780,19800,19980,20457,20574,20748,20754 %N A370972 Composite numbers with properties that its digits (which may appear with multiplicity) may not appear in any of its factors (wherein the digits may also appear with multiplicity) and the combined digits of the product and the factors must have at least one of each of the ten digits. %C A370972 See A370970 for another version. %C A370972 _Ed Pegg Jr_ noted that 1476395008 is the smallest term composed of nine distinct digits. See A372106 for subsequent terms. - _Hans Havermann_, Apr 19 2024 %D A370972 Ed Pegg Jr, Posting to Math-Fun Mailing List, April 2024. %H A370972 Hans Havermann, <a href="/A370972/a370972.txt">Table of a(n) and corresponding factorization(s) for all terms <= 100000.</a> %e A370972 996880 = 2*2*4*5*17*733: 8 and 9 appear twice each in the product. 2, 3, and 7 appear twice each in the factors. The digits in the product are distinct from the digits in the factors and, ignoring the duplicates, we have a combined 9680245173, one of each of the ten digits. - _Hans Havermann_, Apr 15 2024 %Y A370972 Cf. A370970, A372106. %K A370972 nonn,base %O A370972 1,1 %A A370972 _N. J. A. Sloane_, Apr 15 2024. Terms were computed by _Hans Havermann_