24597

Appears in sequences

• Centered dodecahedral numbers.at n=13A005904
• Numbers k such that sigma(k) = sigma(k+8).at n=24A015876
• Expansion of (1-x)^(-1)/(1-x+2*x^2-x^3).at n=37A077875
• G.f.: Product_{k>0} (1+x^k)/((1-x^k)*(1+x^(3k))*(1+x^(5k))).at n=28A100823
• Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in a 1100-1111-1000 pattern in any orientation.at n=16A146718
• G.f. is the polynomial (1-x^3) * (1-x^6) * (1-x^9) * (1-x^12) * (1-x^15) * (1-x^18) * (1-x^21) * (1-x^24) / (1-x)^8.at n=11A162596
• Expansion of 1/(1 + x + x/(1 + x + x^2/(1 + x + x^3/(1 + x + x^4/(1 + x + x^5/(1 + ...)))))), a continued fraction.at n=15A292799