-2911

Appears in sequences

• a(n) = -A001353(n).at n=7A106707
• a(n) = -14*a(n-1) - a(n-2), with a(1) = a(2) = 1.at n=4A122572
• Center antidiagonal four in a tri-antidiagonal n-th Matrix generated triangular sequence: first element as 4==m[1,1,1].at n=21A124028
• Expansion of x *(1+x) *(x^2+1) *(15*x^4+1) / ( (x^4-2*x^3+2*x^2+2*x+1) *(x^4+2*x^3+2*x^2-2*x+1) ).at n=16A140806
• Expansion of x *(1+x) *(x^2+1) *(15*x^4+1) / ( (x^4-2*x^3+2*x^2+2*x+1) *(x^4+2*x^3+2*x^2-2*x+1) ).at n=17A140806
• Expansion of x *(1+x) *(x^2+1) *(15*x^4+1) / ( (x^4-2*x^3+2*x^2+2*x+1) *(x^4+2*x^3+2*x^2-2*x+1) ).at n=18A140806
• Expansion of x *(1+x) *(x^2+1) *(15*x^4+1) / ( (x^4-2*x^3+2*x^2+2*x+1) *(x^4+2*x^3+2*x^2-2*x+1) ).at n=19A140806
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 443", based on the 5-celled von Neumann neighborhood.at n=35A272228
• a(n) = Sum_{k=0..floor(n/6)} (-1)^k*binomial(n,6*k).at n=14A307040
• Inverse Euler transform of Thue-Morse sequence A001285.at n=29A316149
• Expansion of e.g.f. log(1 + exp(x)*sinh(sqrt(2)*x)/sqrt(2)).at n=9A323722
• a(1) = 1; a(n+1) = a(n) +- (sum of digits of a(1) up to a(n)), with "+" when a(n) is odd, or "-" if even.at n=40A332058