5720653

Appears in sequences

• Heptagonal triangular numbers.at n=3A046194
• Expansion of 1/((x-1)*(x+1)*(x^2+x+1)*(x^2+x-1)*(x^2-x+1)*(x^2+1)*(x^4-x^2+1)).at n=33A109609
• a(n) = floor(phi^n/n), where phi = golden ratio = (1+sqrt(5))/2.at n=39A172128