77836

Appears in sequences

• Expansion of (1 + 5*x)/(1 + 9*x + 25*x^2).at n=7A087171
• Expansion of 1/(1-x*(1-5*x)).at n=14A106854
• Row sums of triangle A178568.at n=28A169826
• Numbers k such that (prime(j)-1)^2 + 1 is prime for k <= j <= k + 2.at n=40A376522