27664

Appears in sequences

• Number of connected oriented graphs on n nodes with an even number of edges.at n=4A054942
• Number of double tangents of order n.at n=16A060784
• Dimensions of the irreducible representations of the simple Lie algebra of type E7 over the complex numbers, listed in increasing order.at n=10A121736
• Multiples of 1729, the Hardy-Ramanujan number.at n=16A138129
• Number of permutations of 2 indistinguishable copies of 1..n with exactly 3 adjacent element pairs in decreasing order.at n=4A151625
• Number of permutations of 2 indistinguishable copies of 1..n with exactly 5 adjacent element pairs in decreasing order.at n=4A151627
• Irregular triangle read by rows: T(n,k) = Sum_{i=0..k} (-1)^i * binomial(2*n+1,i) * binomial(k+2-i,2)^n, 0 <= k <= 2*(n-1).at n=19A154283
• Irregular triangle read by rows: T(n,k) = Sum_{i=0..k} (-1)^i * binomial(2*n+1,i) * binomial(k+2-i,2)^n, 0 <= k <= 2*(n-1).at n=21A154283
• Number of standard Young tableaux of shape [3n,3].at n=18A215543
• Number of binary arrays indicating the locations of trailing edge maxima of a random length-n 0..5 array extended with zeros and convolved with -1,2,-1.at n=18A222040
• Numbers n such that 2*n + {3, 5, 9, 11} are all primes.at n=26A222960
• Number of (n+1)X(n+1) white-square subarrays of 0..2 arrays with no element equal to a strict majority of its diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order.at n=3A231124
• Number of (n+1)X(4+1) white-square subarrays of 0..2 arrays with no element equal to a strict majority of its diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order.at n=3A231127
• T(n,k) = Number of (n+1) X (k+1) white-square subarrays of 0..2 arrays with no element equal to a strict majority of its diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order.at n=24A231131
• a(n) = n*(n+1)*(n+2)*(n^2+2*n+17)/120.at n=18A257199
• a(n) = 4*(n+1)*(9*n+4).at n=27A304505
• a(n) = p(1,n), where p(x,n) is the strong divisibility sequence of polynomials based on sqrt(5) as in A327322.at n=5A329012
• Numbers all of whose divisors are odious numbers (A000069) with a record number of divisors.at n=17A330289
• Numbers m such that A357761(m) > A357761(k) for all k < m.at n=17A357763