-1059

Appears in sequences

• Expansion of psi(x^3) / psi(x) in powers of x where psi() is a Ramanujan theta function.at n=41A101195
• Triangle T(n,k) = A136451(n,k), except T(0,0)=2.at n=69A124018
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 105", based on the 5-celled von Neumann neighborhood.at n=19A270163
• a(n) = Sum_{k=1..n} (-1)^k*k^3*floor(n/k).at n=12A366917
• a(n) = neg(M(n)), where M(n) is the n X n circulant matrix with (row 1) = (F(2), F(3), ..., F(n+1)), where F = A000045 (Fibonacci numbers), and neg(M(n)) is the negative part of the determinant of M(n); see A380661.at n=3A384595
• a(n) = A325977(A228058(n)).at n=50A389217