28337

Appears in sequences

• Number of driving-point impedances of an n-terminal network.at n=8A003128
• Triangle of numbers a(n,k), 0 <= k <= n: number of set partitions of {1,2,...,n} in which exactly k of the blocks have been distinguished.at n=38A049020
• Recip transform of 2*(1 + x^3 + x^4)-1/(1-x).at n=9A049154
• a(n) = n*(n^2+3*n-1)/3.at n=43A084990
• Indices of primes in sequence defined by A(0) = 73, A(n) = 10*A(n-1) - 27 for n > 0.at n=14A101129
• Triangular T(n,k) which contains in column k >= 0 the elements of the Stirling transform of the unsigned sequence Stirling1(j+k,j), j >= 0.at n=29A118984
• Indices of records in A165633.at n=14A165761
• Index of first occurrence of n in A165633.at n=33A165765
• Triangle read by rows: T(n,k) = Sum_{j=k..n} binomial(n,j)*Stirling_2(j,k)*Bell(n-j), where Bell(n) = A000110(n), for n >= 1, 0 <= k <= n-1.at n=30A244489
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 771", based on the 5-celled von Neumann neighborhood.at n=28A273500
• G.f. A(x) satisfies: A(x) = 1/(1 - x*A(x) - x^2*A(x)^2/(1 - x*A(x) - 2*x^2*A(x)^2/(1 - x*A(x) - 3*x^2*A(x)^2/(1 - ...)))), a continued fraction.at n=8A301770
• Number of permutations p of [7+n] such that n is the maximum of the number of elements in any integer interval [p(i)..i+(7+n)*[i<p(i)]].at n=5A324627
• Number of permutations p of [n] such that five is the maximum of the number of elements in any integer interval [p(i)..i+n*[i<p(i)]].at n=7A324632