24297
domain: N
Appears in sequences
- Number of binary [ n,7 ] codes without 0 columns.at n=12A034348
- Minimal number k such that (2k)^(2^n) + 1 is prime, but (2k)^(2^m) + 1 is composite for m < n.at n=16A122528
- a(n) = 2*n^3 - 2*n + 9.at n=22A127989
- a(n) = (1/2)*(n^4 + 11*n^3 + 53*n^2 + 97*n + 54).at n=13A129026
- (n^4 - 10*n^2 + 15*n - 6)/2.at n=14A135916
- a(n) = 16*n^2 - n.at n=38A157446
- a(n) = 1521*n^2 - 39.at n=3A158770
- Number of (n+1) X (2+1) 0..2 arrays with the minimum plus the upper median equal to the lower median plus the maximum in every 2 X 2 subblock.at n=7A235878
- T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the minimum plus the upper median equal to the lower median plus the maximum in every 2X2 subblock.at n=37A235884
- T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the minimum plus the upper median equal to the lower median plus the maximum in every 2X2 subblock.at n=43A235884
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 974", based on the 5-celled von Neumann neighborhood.at n=36A273853
- Wiener index of the n X n black bishop graph.at n=17A292051
- Wiener index of the n X n white bishop graph.at n=16A292059
- Denominator of (1/3)*n*(n + 2)/((1 + 2*n)*(3 + 2*n)).at n=44A300295
- Indices (starting at 0) of integers in the increasing sequence S of nonnegative numbers that are representable in base 3/2 with digits {0, H=1/2, 1}.at n=49A320035
- a(n) is the denominator of the probability that the free polyomino with binary code A246521(n+1) appears as the image of a simple random walk on the square lattice.at n=25A367995
- Denominator of the greatest probability that a particular free polyomino with n cells appears as the image of a simple random walk on the square lattice.at n=5A367999
- Numbers k that divide the k-th central Delannoy number.at n=35A372901
- a(n) is the least k such that the sum of the first k numbers with n prime factors, counted with multiplicity, is prime.at n=20A376480
- Numbers x such that there exist three integers 0<x<=y, z>0 and w>0 such that sigma(x)^3 = sigma(y)^3 = x^3 + y^3 + z^3 + w^3.at n=36A385397