53784

Appears in sequences

• Number of nX2 1..4 arrays containing at least one of each value, and all equal values connected.at n=5A166757
• Floor-Sqrt transform of large Fine numbers (A000957).at n=21A192675
• Numbers with the property that in their factorization over distinct terms of A050376, the sums of prime and nonprime terms of A050376 are equal.at n=28A241270
• Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 491", based on the 5-celled von Neumann neighborhood.at n=7A272540
• Triangle T(m,k) read by rows, where T(m,k) is the number of ways in which 1<=k<=m positions can be picked in an m X m square grid such that the picked positions don't have any symmetry.at n=18A292152
• a(n) = 378*n^2 - 54*n (n>=1).at n=11A305070