27944604

Appears in sequences

• Number of binary words of length n in which the ones occur only in blocks of length at least 4.at n=42A005253
• Number of compositions of 5*n-4 into parts 2 and 5.at n=17A369844
• Expansion of (1 + x)/(1 - x^2*(1 + x)^3).at n=28A375315