508896

Appears in sequences

• Average of amicable pairs (x,y), ordered by the smaller value x given in A002025.at n=28A275315
• Average of amicable pairs (x,y), ordered by the sum x+y given in A259953.at n=28A275316
• G.f. A(x) satisfies A(x) = 1 + x^4*(1+x)*A(x)^3.at n=33A375691