-166

Appears in sequences

• 8th differences of primes.at n=6A036269
• Coefficient triangle of certain polynomials.at n=23A056588
• McKay-Thompson series of class 18e for the Monster group.at n=17A058543
• McKay-Thompson series of class 18h for Monster.at n=51A058546
• McKay-Thompson series of class 30c for Monster.at n=53A058624
• a(n+1) = a(n) - a(floor(n/2)), with a(0)=0, a(1)=1.at n=39A062187
• Alternating sum sigma(1)-sigma(2)+sigma(3)-sigma(4)+...+((-1)^(n+1))*sigma(n).at n=27A068762
• Expansion of psi(x) / phi(x) in powers of x where phi(), psi() are Ramanujan theta functions.at n=17A083365
• Series expansion of the Ramanujan-Goellnitz-Gordon continued fraction.at n=68A092869
• Riordan array (((1+x)^2 - x^3)/(1+x)^3, 1/(1+x)).at n=74A099569
• Coordination sequence for Penrose tiling is a(n)*tau + A103907(n), where tau is A001622.at n=3A103906
• Coefficients of the A-Rogers-Selberg identity.at n=37A104408
• Series expansion of the reciprocal of the Goellnitz-Gordon continued fraction.at n=69A111374
• Row sums of number triangle A112334.at n=56A112335
• Riordan array (1/(1-x), x/(1+x)).at n=72A112468
• Expansion of x(1-3x+x^2+x^3)/(1+x)^2.at n=42A113142
• Riordan array ((1+x)/(1-x),x/(1+x)).at n=85A113310
• Denominators of the convergents of the 2-adic continued fraction of zero given by A118830.at n=73A118832
• Triangle read by rows, 0 <= k <= n: T(n,k) is the coefficient of x^k in the characteristic polynomial of I + A^(-1), where A is the n-step Fibonacci companion matrix and I is the identity matrix.at n=60A122771
• All ones and negatives ones tri-antidiagonal matrices like as characteristic polynomial triangular sequence: M(3)={{0, -1, 1}, {-1, 1, -1}, {1, -1, 0}}.at n=83A124021