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 A108466 #2 Mar 30 2012 17:37:15 %S A108466 1,1,1,2,1,3,1,4,2,3,1,11,1,3,3,9,1,11,1,11,3,3,1,35,2,3,4,11,1,25,1, %T A108466 20,3,3,3,55,1,3,3,35,1,25,1,11,11,3,1,106,2,11,3,11,1,35,3,35,3,3,1, %U A108466 132,1,3,11,45,3,25,1,11,3,25,1,222,1,3,11,11,3,25,1,106,9,3,1,132,3,3 %N A108466 Number of factorizations of (n,n) into pairs (i,j) with i,j>1. %C A108466 (a,b)*(x,y)=(a*x,b*y). %C A108466 a(n) depends only on prime signature of n (cf. A025487). So a(24) = a(375) since 24=2^3*3 and 375=3*5^3 both have prime signature (3,1). %Y A108466 Cf. A108461. Main diagonal of A108465. a(A025487)=A108467. a(p^k)=A108469(k). a(A002110)=A023997. %K A108466 nonn %O A108466 1,4 %A A108466 _Christian G. Bower_, Jun 03 2005