42679

Appears in sequences

• Expansion of -(2*x+1)*(6*x^2+4*x+1)/((3*x^2+3*x+1)*(2*x^3+2*x^2+4*x+1)).at n=9A110688
• Indices of primes in A100683.at n=19A232543
• Number of compositions (ordered partitions) of n into distinct parts >= 3.at n=42A339101
• Expansion of e.g.f. exp(exp(x) - 1 + x^3/6).at n=9A361489
• Numbers k such that k and k+1 are both terms in A377209.at n=20A377271