192192

Appears in sequences

• Number of k's such that A002034(k) = n.at n=25A038024
• Number of permutations of n letters where exactly 5 change position.at n=15A060836
• Numbers that can be expressed as the difference of the squares of primes in exactly nine distinct ways.at n=26A092005
• Array by antidiagonals: Number of planar lattice walks of length 3n+2k starting at (0,0) and ending at (k,0), remaining in the first quadrant and using only NE,W,S steps.at n=38A098273
• Denominator of Sum_{k=0..n} 1/binomial(n,k)^2.at n=14A100517
• a(n) = (n + n^2)*(binomial(2*n, n)).at n=7A119579
• Inverse of number triangle A128412.at n=29A128413
• Number triangle T(n,k) = 2^(n-k)*C(2*n,n-k).at n=29A128417
• Permutations with exactly 11 fixed points.at n=5A129238
• If X_1,...,X_n is a partition of a 2n-set X into 2-blocks then a(n) is equal to the number of 6-subsets of X containing none of X_i, (i=1,...n).at n=8A130812
• a(n) = binomial(n+8,8) * 2^n.at n=6A140325
• Numbers other than prime powers divisible by the sum of the squares of their prime divisors.at n=19A190882
• Number of (n+2) X 7 binary arrays avoiding patterns 001 and 101 in rows and columns.at n=5A202199
• Number of (n+2) X 8 binary arrays avoiding patterns 001 and 101 in rows and columns.at n=4A202200
• Number of nX6 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 1 1 1 vertically.at n=9A207512
• 8-quantum transitions in systems of N >= 8 spin 1/2 particles, in columns by combination indices.at n=12A213350
• a(n) = Sum_{c in P(n)} lcm(c) where P(n) is the set of all subsets of {1,2,...,n}.at n=9A226037
• Denominators of the probability of success in sultan's dowry problem with n daughters.at n=15A226243
• Number of (n+1) X (2+1) 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=3A231318
• Number of (n+1)X(4+1) 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=1A231320