-1036

Appears in sequences

• Expansion of phi(q^4) / phi(q) in powers of q where phi() is a Ramanujan theta function.at n=13A112128
• Moment sequence of tr(A^2) in USp(6).at n=7A138541
• Apply partial sum operator twice to A000594.at n=3A144249
• Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of max{2i+j-2,2j+i-2} (A204004).at n=23A204005
• Difference between sums of quadratic residues and non-residues modulo n (residues are not necessarily coprime to n).at n=55A255644
• Alternating sum of 10-gonal (or decagonal) pyramidal numbers.at n=11A269441
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 605", based on the 5-celled von Neumann neighborhood.at n=39A273178
• Inverse Euler transform of the number of prime factors (with multiplicity) function A001222.at n=56A320776
• Square array read by upward antidiagonals: T(n, k) = numerator( 2*k!*(-2)^k*Sum_{m=1..n}( 1/(2*m-1)^(k+1) ) ).at n=11A370692
• Square array A(n,k), n >= 1, k >= 1, read by antidiagonals downwards, where A(n,k) = -(1/n) * Sum_{d|n} phi(n/d) * (-k)^d.at n=58A382993