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 A062041 #11 Sep 11 2022 12:13:18 %S A062041 369,396,466,639,646,664,693,936,963,2266,2338,2383,2626,2662,2833, %T A062041 3238,3283,3328,3382,3823,3832,6226,6262,6622,8233,8323,8332,11379, %U A062041 11397,11459,11495,11549,11594,11739,11793,11937,11945,11954,11973 %N A062041 Positive numbers whose product of digits is 9 times their sum. %H A062041 Harry J. Smith, <a href="/A062041/b062041.txt">Table of n, a(n) for n = 1..500</a> %e A062041 12339 belongs to the sequence as (1*2*3*3*9)/(1+2+3+3+9) = 162/18 = 9. %o A062041 (PARI) isok(n) = my(d=digits(n)); vecprod(d)==9*vecsum(d) \\ _Mohammed Yaseen_, Sep 11 2022 %Y A062041 Cf. A011540, A034710, A062034, A062035, A062036, A062382, A062037, A062384, A062040, A062043, A062045. %K A062041 nonn,base,easy %O A062041 1,1 %A A062041 _Amarnath Murthy_, Jun 28 2001 %E A062041 Corrected and extended by Larry Reeves (larryr(AT)acm.org), Jul 06 2001 %E A062041 Offset corrected by _Mohammed Yaseen_, Sep 11 2022