1970299

Appears in sequences

• a(n) = (F(6*n+5) - F(6*n+1))/4 = (F(6*n+4) + F(6*n+2))/4, where F = A000045.at n=5A049629
• Ratio-determined insertion sequence I(0.264) (see the link below).at n=10A085348
• Integer Quotients of Lucas Numbers; a rectangular array by downward antidiagonals.at n=30A143790
• a(n) = L(11*n)/L(n) where L(n) = A000204(n).at n=2A153179
• Numerators of continued fraction convergents to sqrt(5/4).at n=10A153316
• Semiprime centered cube numbers: m^3 + (m+1)^3.at n=19A180082
• Number of (1,0)-steps at level 0 in all weighted lattice paths in L_n.at n=16A182895
• Expansion of x^2*(1+x^2) / ( (x^2-x+1)*(-x^2-x+1)*(1+x+x^2) ).at n=33A227047