131685

Appears in sequences

• Positive numbers k such that k and 6*k are anagrams in base 9 (written in base 9).at n=16A023083
• Expansion of 1/((1-2*x)*(1-5*x)*(1-10*x)*(1-12*x)).at n=4A026241
• a(n) = 2^n + 2*n^2 + 2*n + 1.at n=17A321123