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 A356176 #10 Jul 30 2022 14:14:41 %S A356176 30,60,63,90,110,120,126,180,220,228,240,252,340,350,430,440,480,495, %T A356176 504,606,612,680,759,840,860,880,891,927,957,960,990,1008,1212,1224, %U A356176 1320,1526,1710,1720,1755,1760,1782,1854,1920,1980,2016,2376,2424,2466,2640,2925,2955,2990,3045,3050 %N A356176 Numbers that can be written as the product of three divisors greater than 1 such that the number in binary is contained in the string concatenation of the divisors in binary. %C A356176 See A356143 for the list of numbers that have two or more ways to be written as the product of three divisors such that the number in binary is contained in the string concatenation of the divisors in binary. %H A356176 Scott R. Shannon, <a href="/A356176/a356176.txt">Divisor products up to 100 million</a>. %e A356176 30 is a term as 30 = 11110_2 = 5 * 3 * 2 = 101_2 * 11_2 * 10_2 and "101" + "11" + "10" = "1011110" contains "11110". %e A356176 3050 is a term as 3050 = 101111101010_2 = 5 * 122 * 5 = 101_2 * 1111010_2 * 101_2 and "101" + "1111010" + "101" = "1011111010101" contains "101111101010". %e A356176 See the attached text file for other examples. %Y A356176 Cf. A356143, A355791, A355790, A355852, A355857, A030190, A355852, A210959, A027750. %K A356176 nonn,base %O A356176 1,1 %A A356176 _Scott R. Shannon_, Jul 28 2022