57311

Appears in sequences

• n-th 4k+1 prime times (n+1)st 4k+3 prime.at n=24A048628
• Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in a 1000-1111-0110 pattern in any orientation.at n=16A146614
• Expansion of (1+x+x^2) / ((1-x)*(1-x-x^2)).at n=20A154691
• a(n) = 7*2^(n-1) - 2*n - 5.at n=13A168617
• Numbers k such that A361338(k) = 10.at n=31A361349