30973

Appears in sequences

• First k>n, not a power of n+1 or one of its prime factors, such that k | n^k + 1.at n=44A015975
• Numbers k such that 95*2^k+1 is prime.at n=32A032397
• Number of partitions satisfying cn(0,5) + cn(2,5) < cn(1,5) + cn(4,5) and cn(0,5) + cn(3,5) < cn(1,5) + cn(4,5).at n=41A039885
• Number of mobiles (circular rooted trees) with n nodes and 5 leaves.at n=10A055343
• Triangle T(n,k) read by rows: number of k X k triangular (0,1)-matrices with exactly n entries equal to 1 and no zero rows or columns.at n=75A137252
• Expansion of 1/(x^k*(1 - x - 3*x^(k+1))) for k=3.at n=19A143454
• Triangle of 2-Eulerian numbers.at n=38A144696
• Number of nondecreasing integer sequences of length 28 with sum zero and sum of absolute values 2n.at n=14A158162
• Number of 1X10 integer matrices with each row summing to zero, row elements in nondecreasing order, rows in lexicographically nondecreasing order, and the sum of squares of the elements <= 2*n^2 (number of collections of 1 zero-sum 10-vectors with total modulus squared not more than 2*n^2, ignoring vector and component permutations).at n=8A192697
• Number of nX2 arrays of occupancy after each element moves to some horizontal, vertical or antidiagonal neighbor, without move-in move-out straight through or left turns.at n=6A221805
• T(n,k)=Number of nXk arrays of occupancy after each element moves to some horizontal, vertical or antidiagonal neighbor, without move-in move-out straight through or left turns.at n=34A221809
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 593", based on the 5-celled von Neumann neighborhood.at n=31A273121
• Coefficients in expansion of 1/(1 - x - 3*x^4).at n=22A318774
• a(n) = (4*n^3 - 6*n^2 + 14*n + 3)/3.at n=29A321124
• Number of integer partitions of n that cannot be partitioned into a set of sets.at n=44A382078