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 A376705 #12 Oct 03 2024 08:31:37 %S A376705 16,100,1029,14641,100529,1000109,10005647,104060401,1000002847, %T A376705 10000000861,100000024219,1036488922561,10000000051429, %U A376705 100000000009729,1000000000011799,10028029413722401,100000000000035241,1000000000000012861,10000000000000080101,100012000540010800081 %N A376705 a(n) = smallest 4-brilliant number (A376704) with n decimal digits. %C A376705 See Alpern link for more terms, along with their prime factorization. %H A376705 Dario Alpern, <a href="https://www.alpertron.com.ar/BRILLIANT4.HTM">4-Brilliant Numbers</a>. %e A376705 a(6) = 100529 because 100529 = 11 * 13 * 19 * 37 is the smallest 6-digit number with four prime factors having the same number of digits. %Y A376705 Subsequence of A376704. %Y A376705 Cf. A078972, A083128, A376703, A376706. %K A376705 nonn,base %O A376705 2,1 %A A376705 _Paolo Xausa_, Oct 02 2024