6998400

Appears in sequences

• An arithmetic progression of at least 6 terms having the same value of phi starts at these numbers.at n=11A050518
• a(n) = 25*6^(n-2), with a(0)=1 and a(1)=4.at n=9A055846
• G.f. satisfies: A(x) = exp( Sum_{n>=1} [Sum_{k=0..2*n} T(n,k)^2 * x^k] / A(x)^n * x^n/n ), where T(n,k) is the coefficient of x^k in (1+2*x)^n*(1+3*x)^n.at n=13A251688
• Coefficients in q-expansion of E_2^2, where E_2 is the Eisenstein series shown in A006352.at n=30A281374
• a(0) = 1; for n > 0, a(n) = A000120(n) * a(n-A000120(n)), where A000120(n) is the binary weight of n.at n=50A320008
• a(n) = A283980(A025487(n)).at n=41A330681
• a(n) is the least number with exactly n non-unitary square divisors.at n=30A358252
• Numbers that have a record number of infinitary divisors that are powerful (A001694).at n=15A377709