18246

Appears in sequences

• Number of 3's in n-th term of A006711.at n=40A022479
• Position of prime(n)# in A025487.at n=14A098719
• Number of poly-IH68-tiles (holes allowed) with n cells.at n=9A182645
• Number of (n+1) X 3 binary arrays with no 2 X 2 subblock diagonal sum less antidiagonal sum equal to any horizontal or vertical neighbor 2 X 2 subblock diagonal sum less antidiagonal sum.at n=4A186843
• Number of (n+1)X6 binary arrays with no 2X2 subblock diagonal sum less antidiagonal sum equal to any horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum.at n=1A186846
• T(n,k)=Number of (n+1)X(k+1) binary arrays with no 2X2 subblock diagonal sum less antidiagonal sum equal to any horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum.at n=16A186850
• T(n,k)=Number of (n+1)X(k+1) binary arrays with no 2X2 subblock diagonal sum less antidiagonal sum equal to any horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum.at n=19A186850
• Number of 0..n arrays of length 5 with each element differing from at least one neighbor by 1 or less.at n=18A221597
• Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 470", based on the 5-celled von Neumann neighborhood.at n=14A282421
• Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 4 or 6 king-move adjacent elements, with upper left element zero.at n=9A298292
• Number of odd parts in the partitions of n into 9 parts.at n=40A309656
• Triangle read by rows: T(n,k) is the number of rooted maps with n edges whose core comprises k edges, 1 <= k <= n.at n=23A318106
• Inverse permutation to A181815.at n=42A329901
• Inverse permutation to A341351.at n=23A341352
• Expansion of Product_{k>=1} (1 + x^k) * (1 + x^(k^2)) * (1 + x^(k^3)).at n=43A369575
• Numbers m such that 20*m + 1, 80*m + 1, 100*m + 1, and 200*m + 1 are all primes.at n=25A372186