35381

Properties

Appears in sequences

• Primes that remain prime through 4 iterations of function f(x) = 9x + 2.at n=21A023324
• Denominators of continued fraction convergents to sqrt(550).at n=11A042053
• Number of 2-trees rooted at an edge.at n=8A058866
• Number of 2-trees rooted at a triangle with 3 similar edges.at n=9A063689
• Numbers k such that 27^k + 2 is prime.at n=15A138051
• a(n) gives the number of nonisomorphic connected compact Lie groups of dimension n which are simple products.at n=60A177821
• Constant term of the reduction by x^2 -> x+1 of the polynomial p(n,x) defined at Comments.at n=18A192960
• Primes of the form 2*k^2 + 3.at n=29A201473
• Number of (n+1) X (1+1) 0..2 arrays with no 2 X 2 subblock having the sum of its diagonal elements less than the absolute difference of its antidiagonal elements.at n=3A250975
• Number of (n+1)X(4+1) 0..2 arrays with no 2X2 subblock having the sum of its diagonal elements less than the absolute difference of its antidiagonal elements.at n=0A250978
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no 2X2 subblock having the sum of its diagonal elements less than the absolute difference of its antidiagonal elements.at n=6A250982
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no 2X2 subblock having the sum of its diagonal elements less than the absolute difference of its antidiagonal elements.at n=9A250982
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 129", based on the 5-celled von Neumann neighborhood.at n=40A270219
• Sum of primes between 100*n and 100*n + 99.at n=23A276355
• Primes that can be generated by the concatenation in base 3, in ascending order, of two consecutive integers read in base 10.at n=43A287300
• Sum of the largest parts of the partitions of n into 10 parts.at n=39A326598
• Triangle read by rows: T(n,k) is the number of k-trees with n unlabeled nodes rooted at a front.at n=68A370771
• Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of B(x)^k, where B(x) is the g.f. of A381600.at n=60A381592
• Prime numbersat n=3768