1161216

Appears in sequences

• Theta series of lattice D_4 tensor D_4 (dimension 16, det. 65536, min. norm 4).at n=7A033692
• Denominators in expansion of exp(exp(x)-1)/(2-x).at n=10A058816
• A062401(x)=phi[sigma(x)] function is iterated; initial value=2^n; a(n)=largest term of trajectory.at n=18A096999
• Number of divisors of A104350(n).at n=34A104352
• a(1) = 1; for n>1, a(n) = Sum_{i=1..n-1} a(i)*prime(i).at n=7A109664
• Triangular array read by rows: T(n,k) is the number of ordered set partitions of {1,2,...,n} with exactly k singletons, n>=0, 0<=k<=n.at n=48A187784
• Denominators of fractions appearing in a generalization of Carleman's inequality.at n=7A249277
• E.g.f. A(x) satisfies: (A(x)^5 - 10*x)^2 = (2 - A(x)^2)^5.at n=9A249787
• E.g.f. satisfies: A(x) = x + 4*A(x)^5/5.at n=2A249922
• a(1) = 1; thereafter a(n) is the product of all 0 < m < n for which n == a(m) (mod m).at n=36A271530
• Irregular triangle T(n,m), denominators of coefficients in a power/Fourier series expansion of the plane pendulum's exact time dependence.at n=13A274131
• Triangle read by rows: T(n,k) = number of parking functions a of length n such that a(1) = k and if we replace a(1) = k with k+1 we don't get a parking function.at n=39A298594
• Triangle read by rows: T(n,k) = number of parking functions a of length n such that a(1) = k and if we replace a(1) = k with k+1 we don't get a parking function.at n=41A298594
• Zuckerman numbers which when divided by product of their digits, give a quotient which is also a Zuckerman number.at n=34A343681