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 A277243 #3 Oct 06 2016 19:15:54 %S A277243 1,2,9,31,108,325,938,2457,6128,14358,32123,68488,140478,277278, %T A277243 529624,980476,1765492,3097071,5306548,8893500,14607217,23542097, %U A277243 37285849,58094004,89148980,134862913,201312513,296746270,432288197,622756805,887772827,1253040268 %N A277243 Number of factorizations of m^n into exactly seven factors, where m is a product of two distinct primes. %Y A277243 Column k=7 of A277239. %K A277243 nonn %O A277243 0,2 %A A277243 _Alois P. Heinz_, Oct 06 2016