-437

Appears in sequences

• Expansion of (1-x)/(1+x+x^2+2*x^3).at n=21A078047
• Expansion of a parametrization of Ramanujan's continued fraction.at n=67A124242
• Imbalance of the number of partitions of n.at n=27A194795
• Difference between sums of largest parts of all partitions of n into odd number of parts and into even number of parts.at n=42A222049
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 342", based on the 5-celled von Neumann neighborhood.at n=21A269512
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 211", based on the 5-celled von Neumann neighborhood.at n=11A270900
• Sum of the elements of the difference triangle of the divisors of n (including the divisors of n).at n=59A273103
• a(n) = nearest integer to n^2 * sin(sqrt(n)).at n=21A274088
• Take alternate terms of A274088 and A274090.at n=42A274091
• Expansion of Product_{k>=1} (1 + x^k/(1 + x)).at n=23A307602
• Expansion of Product_{k>0} (1 - A001055(k)*x^k).at n=55A321594
• Dirichlet convolution of A326042 with A055615 (Dirichlet inverse of n), where A326042(n) = A064989(sigma(A003961(n))).at n=71A349624
• G.f. A(x) satisfies A(x) = 1 - x/A(x) * (1 - A(x) - A(x)^2).at n=16A371888