63063
domain: N
Appears in sequences
- Number of nonnegative integer 3 X 3 matrices with sum of elements equal to n, under row and column permutations.at n=19A052365
- Smallest number having n divisors ending with 1 or 9.at n=17A085645
- Integers that do not appear in A103502.at n=37A103504
- Number of reduced words of length n in the Weyl group D_10.at n=10A162248
- a(n) = (2*n^3 + 5*n^2 - 3*n)/2.at n=38A162256
- Ordered (2,2)-selections from the multiset {1,1,2,2,3,3,...,n,n}.at n=22A188667
- Sum of binomial numbers A000332(k+3), with k in the reduced residue system modulo n.at n=25A192000
- Monotonic ordering of set S generated by these rules: if x and y are in S and x^2-y^2>0 then x^2-y^2 is in S, and 2 and 3 are in S.at n=36A192648
- Number of partitions of n+7 with largest inscribed rectangle having area <= n.at n=36A218628
- Odd numbers n such that 2n/sigma(n) - 1 = 1/x for some positive integer x.at n=24A222263
- Triangle of numerators of the coefficients t(n,k) in the formula B(2n) = -sum_{k=1..n-1} t(n,k)*B(2k)*B(2n-2k), where the B() are the even-indexed Bernoulli numbers.at n=17A228969
- Fixed points of A153212: After a(1) = 1, numbers of the form p_i1^i1 * p_i2^(i2-i1) * p_i3^(i3-i2) * ... * p_ik^(ik-i_{k-1}), where p_i's are distinct primes present in the prime factorization of n, with i1 < i2 < i3 < ... < ik, and k = A001221(n) and ik = A061395(n).at n=40A242421
- Number of (n+1) X (4+1) 0..2 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing x(i,j)+x(i-1,j) in the j direction.at n=5A250751
- T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing x(i,j)+x(i-1,j) in the j direction.at n=41A250755
- Number of (6+1) X (n+1) 0..2 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing x(i,j)+x(i-1,j) in the j direction.at n=3A250761
- Triangle T read by rows: T(n,k) = binomial(2*n+1,k)*binomial(n,k), n>=0, 0<=k<=n.at n=33A252501
- Number of Dyck paths of semilength n such that each positive level has exactly eight peaks.at n=22A288324
- Reduced denominators of the Kirchhoff index for the n-halved cube graph.at n=13A290366
- Triangle read by rows: T(n,k) = number of partitions of genus 2 of n elements with k parts (n >= 6, 2 <= k <= n-4).at n=19A297178
- Highly composite deficient numbers: deficient numbers k whose number of divisors d(k) > d(m) for all deficient numbers m < k.at n=16A302934