31832

Appears in sequences

• Number of 2-dimensional directed compact animals of size n.at n=11A006801
• Indices of primes in sequence defined by A(0) = 87, A(n) = 10*A(n-1) - 23 for n > 0.at n=7A101068
• Number of nondecreasing arrangements of n+2 numbers in 0..8 with the last equal to 8 and each after the second equal to the sum of one or two of the preceding four.at n=34A189325
• Number of (n+1) X 7 0..1 arrays with the number of rightwards and downwards edge increases in each 2 X 2 subblock equal to the number in all its horizontal and vertical neighbors.at n=9A206265
• Number of n X 2 arrays of occupancy after each element stays put or moves to some horizontal, vertical or antidiagonal neighbor, without consecutive moves in the same direction.at n=4A221883
• T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some horizontal, vertical or antidiagonal neighbor, without consecutive moves in the same direction.at n=16A221886
• T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some horizontal, vertical or antidiagonal neighbor, without consecutive moves in the same direction.at n=19A221886
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 595", based on the 5-celled von Neumann neighborhood.at n=31A273142
• Numbers m such that psi(x) = phi(m) has a solution while sigma(y) = phi(m) has none.at n=33A291524
• Length of period of continued fraction expansion of sqrt(3*2^n).at n=31A294226
• Numbers k such that (299*10^k + 1)/3 is prime.at n=19A294911
• Numbers k such that sopfr(k + sopfr(k)) = sopfr(k) + sopfr(sopfr(k)), where sopfr = A001414.at n=33A376851