128499

Appears in sequences

• Expansion of 1/((1-x)(1-3x)(1-6x)(1-7x)).at n=5A021494
• Expansion of (1 + 3*x)/(1 - 4*x + 7*x^2).at n=11A271972
• Numbers k such that k^(k + 1) == k + 1 (mod 2*k + 1) while 2*k+1 is not prime.at n=10A380831