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 A077566 #11 May 29 2025 16:11:11 %S A077566 1,8,12,24,60,48,72,512,96,1024,120,144,0,0,420,2310,240,8192,432,0,0, %T A077566 768,360,0,576,480,32768,0,0,1536,0,864,0,0,720,1152,0,3072,1080,960, %U A077566 0,0,1800,0,0,262144,0,1728,0,6144,2304,1680,0,524288,0,0,1920,0,4620,0 %N A077566 Smallest number which can be factored into parts with distinct prime signatures in n different ways, or 0 if no such number exists. %D A077566 Amarnath Murthy, Generalization of partition function, Introducing Smarandache Factor Partition, Smarandache Notions Journal, Vol. 11, 1-2-3, 2000. %F A077566 Index of the first occurrence of n in A077565. %Y A077566 Cf. A077563, A077564, A077565. %K A077566 nonn %O A077566 1,2 %A A077566 _Amarnath Murthy_, Nov 11 2002 %E A077566 Corrected and extended by _Ray Chandler_, Sep 07 2003