-482

Appears in sequences

• a(n) = -(n + 1)*(2*n^2 + n - 12)/6.at n=11A058372
• McKay-Thompson series of class 16d for the Monster group.at n=41A082304
• Triangle read by rows: coefficients of characteristic polynomials of lower triangular matrix of Robbins triangle numbers.at n=22A102610
• Expansion of f(-q)^2*P(q) in powers of q.at n=20A122163
• A triangular sequence of coefficients of polynomials: p(x,n)=(-(x - 1)^(n)*Sum[(((-1)^(n)*(2*k + 1)^(n - 1)))*x^k, {k,0, Infinity}]+2*(x - 1)^(n + 1)*Sum[((-1)^(n + 1)*k^n)*x^k, {k, 0, Infinity}]/x).at n=22A154338
• A triangular sequence of coefficients of polynomials: p(x,n)=(-(x - 1)^(n)*Sum[(((-1)^(n)*(2*k + 1)^(n - 1)))*x^k, {k,0, Infinity}]+2*(x - 1)^(n + 1)*Sum[((-1)^(n + 1)*k^n)*x^k, {k, 0, Infinity}]/x).at n=26A154338
• Numerator of Hermite(n, 10/21).at n=2A159753
• Numerator of Hermite(n, 12/23).at n=2A159877
• G.f. satisfies: A(x) = B(x/A(x)), where B(x) is the g.f. of A184506.at n=6A184507
• Expansion of (1 - x)*Sum_{k>=1} k*phi(k)*x^k/(1 - x^k), where phi() is the Euler totient function (A000010).at n=55A292302
• a(n) = A246707(A005940(1+n)), where A005940 is the Doudna sequence, and A246707 is the expansion of phi(-q) * phi(-q^2) * phi(-q^3) * phi(-q^6) in powers of q.at n=61A324339
• Terms b(k) (for k > 0, and in order of appearance) such that both |b(k) - b(k-1)| and |b(k+1) - b(k)| are greater than 1, where b is A377091.at n=47A380224