37260
domain: N
Appears in sequences
- Triangle of coefficients of ordered cycle-index polynomials: T(n,k) = binomial(n,k)*Bell(k)*Bell(n-k).at n=46A033306
- Triangle of coefficients of ordered cycle-index polynomials: T(n,k) = binomial(n,k)*Bell(k)*Bell(n-k).at n=53A033306
- Decimal part of cube root of a(n) starts with 4: first term of runs.at n=32A034130
- A convolution triangle of numbers generalizing Pascal's triangle A007318.at n=24A049327
- Number of rooted set partitions.at n=9A052889
- Triangle read by rows: T(n,c) = number of successive equalities in set partitions of n.at n=46A056857
- Triangle T(n,k) = number of element-subset partitions of {1..n} with n-k+1 equalities (n >= 1, 1 <= k <= n).at n=53A056860
- Number of 3 X 3 symmetric matrices over Z(n) having nonzero determinant.at n=5A115225
- Natural number transform of Aitken's triangle.at n=36A127740
- Row sums of triangle A144825.at n=44A144826
- Triangle of numbers of walks in the quarter-plane, of length 2n beginning and ending at the origin using steps {(1,1), (1,0), (-1,0), (-1,-1)} (Gessel steps) arranged according to the number of times the steps (1,1) and (-1,-1) occur.at n=24A157513
- Triangular array read by rows: T(n,k) is the number of blocks of size k in all set partitions of {1,2,...,n}.at n=36A175757
- Numbers k such that sopfr(k + bigomega(k)) = sopfr(k).at n=36A187877
- Number of 5 X n binary arrays without the pattern 0 1 diagonally, vertically, antidiagonally or horizontally.at n=21A188556
- Triangle read by rows, coefficients of polynomials in t = log(x) of the n-th derivative of x^(x^3), evaluated at x = 1. T(n, k) with n >= 0 and 0 <= k <= n.at n=22A293474
- Numbers k such that k = Product (p_j^e_j) = Product (pi(p_j)*p_j), where pi() = A000720.at n=25A304194
- a(n) = 378*n^2 - 54*n (n>=1).at n=9A305070
- a(n) is the smallest nonnegative integer k where exactly n pairs of positive integers (x, y) exist such that x^2 + 11*y^2 = k.at n=10A374160