140980

Appears in sequences

• Expansion of 1/(x^k*(1 - x - 3*x^(k+1))) for k=3.at n=22A143454
• Coefficients in expansion of 1/(1 - x - 3*x^4).at n=25A318774
• Numbers k such that k and k+2 are both terms in A380846.at n=24A381073