-2465

Appears in sequences

• Values of n such that L(14) and N(14) are both prime, where L(k) = (n^2+n+1)*2^(2*k) + (2*n+1)*2^k + 1, N(k) = (n^2+n+1)*2^k + n.at n=12A227517
• Alternating sum of 11-gonal (or hendecagonal) numbers.at n=33A266087
• E.g.f. S(x,y) = Integral C(x,y)*C(y,x) dx such that C(x,y)^2 + S(x,y)^2 = 1 and C(y,x) = 1 - Integral S(y,x)*C(x,y) dy, as a triangle of coefficients T(n,k) read by rows.at n=16A367380
• E.g.f. S(x,y) = Integral C(x,y)*C(y,x) dx such that C(x,y)^2 + S(x,y)^2 = 1 and C(y,x) = 1 - Integral S(y,x)*C(x,y) dy, as a triangle of coefficients T(n,k) read by rows.at n=19A367380