43584805

Appears in sequences

• Base-9 digits are, in order, the first n terms of the periodic sequence with initial period 1,0.at n=8A033119
• a(n) = n^8 + n^6 + n^4 + n^2 + 1.at n=9A059839
• Numbers of the form (9^{mr}-1)/(9^r-1) for positive integers m, r.at n=19A076288
• Arithmetic mean of row n in A112668.at n=9A110739
• Expansion of 1/((1-x)*(1-81*x)).at n=4A239670