27243216000
domain: N
Appears in sequences
- State assignments for n-state machine.at n=13A006845
- a(n) = Product_{k=1..n} rad(k), where rad(n) is the product of distinct prime factors of n, cf. A007947.at n=15A048803
- a(n) = denominator of b(n), where b(1) = 1, b(n) = Sum_{k=1..n-1} b(n-k) * H(k); H(k) = Sum_{j=1..k} 1/j, the k-th harmonic number.at n=16A128045
- a(n) = denominator of b(n), where b(1)=1, b(n+1) = sum{k=1 to n} {b(n+1-k)/k} ({x} is the fractional part of x).at n=15A128192
- a(n) = denominator of b(n), where b(1)=1, b(n+1) = sum{k=1 to n} {b(n+1-k)/k} ({x} is the fractional part of x).at n=16A128192
- Triangle read by rows: T(m,l) = number of labeled covers of size l of a finite set of m unlabeled elements (m >= 1, 1 <= l <= 2^m - 1).at n=23A133709
- Number of multiset permutations of the n initial elements of A005229 with additional element A005229(0)=1.at n=14A169638
- Denominators of fractions converging to limiting value of shifted Fekete polynomials.at n=7A280039
- Denominator of the sum of inverse products of cycle sizes in all permutations of [n].at n=15A323291