43241

Appears in sequences

• Number of binary strings of length n with no substrings equal to 0001 0011 or 1100.at n=16A164459
• Least number k having n representations as the sum of the minimal number of biquadrates A002377(k).at n=24A185673
• G.f.: exp( Sum_{n>=1} (x^n/n) / Product_{d|n} (1 - d*x^(n/d))^d ).at n=9A205486