29849

Appears in sequences

• Numbers k such that k divides the (right) concatenation of all numbers <= k written in base 20 (most significant digit on right).at n=20A061949
• Number of 6 X 6 binary matrices with n ones, distinct up to cyclic shifts of rows and/or columns; reflection through any vertical or horizontal axis; and reflection through the main diagonal. Also number of quasi-n-ominoes on a torus divided into a 6 X 6 grid.at n=7A093469
• Number of 6 X 6 binary matrices with n ones, distinct up to cyclic shifts of rows and/or columns; reflection through any vertical or horizontal axis; and reflection through the main diagonal. Also number of quasi-n-ominoes on a torus divided into a 6 X 6 grid.at n=29A093469
• Duplicate of A093469.at n=7A093816
• Numerator of (1-1/n)^k - (1-k/n), 2<=k<=n, triangle read by rows.at n=19A099614
• a(n) = n^n - (n+1)^(n-1).at n=6A101334
• Numbers n such that f(n), f(n+1) and f(n+2) are prime, f(m)=72*m^2+7.at n=32A121089
• Smallest k such that (k+i)*prime(n)# - 1 is prime for i = 0, 1, 2, 3, 4 with prime(n)# = A002110(n) the n-th primorial, n>1.at n=12A277691
• Number of n X n 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.at n=5A281709
• Number of n X 6 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.at n=5A281713
• T(n,k)=Number of nXk 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.at n=60A281715
• Number of 6Xn 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.at n=5A281720
• Expansion of Product_{k>=1} (1 - x^(4*k))^(4*k) / (1 - x^k)^k.at n=20A285215
• Start with 209; if even, divide by 2; if odd, add the next three primes: Trajectory of 209 under iterations of A174221, the "PrimeLatz" map.at n=26A293981