-209

Appears in sequences

• Expansion of Product_{k>=1} (1 - x^k)^12.at n=12A000735
• Coefficients of modular function G_2(tau).at n=35A005760
• Unique attractor for (RIGHT then MOBIUS) transform.at n=52A007554
• Coefficient of x^n in (Product_{m=1..n}(1-x^m))^n.at n=12A008705
• Expansion of e.g.f.: exp(x + sin(x)).at n=7A009282
• n - reversal of base 20 digits of n (written in base 10).at n=53A055967
• n - reversal of base 20 digits of n (written in base 10).at n=32A055967
• Image of partition numbers (A000041) under "little Hankel" transform that sends [c_0, c_1, ...] to [d_0, d_1, ...] where d_n = c_n^2 - c_{n+1}*c_{n-1}.at n=14A056222
• McKay-Thompson series of class 24a for Monster.at n=11A058584
• McKay-Thompson series of class 30c for Monster.at n=56A058624
• a(n) = n*p(n+1)-(n+1)*p(n) = n*d(n)-p(n), where p(n) is the n-th prime and d(n) is the n-th prime-difference, A001223(n).at n=68A062357
• Determinant of n X n matrix whose rows are cyclic permutations of 1..n-th nonprime (A018252).at n=2A067560
• a(n) = (n+1)*(2-n)/2.at n=21A080956
• A nonsense sequence.at n=80A089077
• Triangular matrix, read by rows, where row n is formed from the first differences of row (n-1) of its inverse matrix square, with an appended '1' for the main diagonal.at n=10A102583
• Column 0 of triangular matrix A102583, in which row n is formed from the first differences of row (n-1) of its inverse matrix square.at n=4A102585
• Inverse of trinomial triangle A071675.at n=48A103778
• Coefficients of the C-Bailey Mod 9 identity.at n=49A104469
• a(n) = -A001353(n).at n=5A106707
• Triangle, read by rows, where T(0,0) = 1, T(n,k) = (-1)^n*(2n+1)*T(n-1,k) - T(n-1,k-1).at n=25A108083