104328

Appears in sequences

• Numbers k such that k | sigma_3(k) - phi(k)^3.at n=31A055697
• Numbers n such that core(n)=floor(sqrt(n)), where core(x)=A007913(x) is the squarefree part of x and floor(sqrt(x))=A000196(x).at n=22A069186
• a(n) = binomial(n+2,2)*binomial(n+6,2).at n=22A104473
• Record numbers of A171063 nonzero period n solutions of x(i)=(x(i-1)+x(i-2)) mod m, as encountered in (n=1,m=1; n=1,m=2; n=2,m=1) antidiagonal order.at n=31A171061
• Record numbers of A171063 nonzero period n solutions of x(i)=(x(i-1)+x(i-2)) mod m, as encountered in (n=1,m=1; n=2,m=1; n=1,m=2) antidiagonal order.at n=32A171062
• a(n) = (n^2-1)^2-1.at n=18A178392
• a(n) = 144*n^2 - 24*n (n>=1).at n=26A305072
• G.f. satisfies A(x) = -(A(x^3) + A(x^4)) / A(-x^2).at n=56A385915