217286

Appears in sequences

• a(n) = a(n-1) + a(n-4) with a(0) = 0, a(1) = a(2) = a(3) = 1.at n=41A003269
• Expansion of (1-x)/(1-x-x^4).at n=44A017898
• Expansion of (1-x)*(1+x)/(1-x-2*x^2+x^4).at n=20A052535
• Sequence is its own 4th difference.at n=10A055988
• Expansion of -x - x^3*(2 -2*x^4 +x^5)/((1-x^2)*(1+x+x^4)).at n=39A089076
• An interleaving of three sequences: a(3n) = A000045(3n) = A014445(n). a(3n+1) = A000931(3n+5) = A052921(n). a(3n+2) = A003269(3n-1).at n=41A116585
• Number of compositions (ordered partitions) of n into squares dividing n.at n=40A294105
• Number of compositions (ordered partitions) of n into squares not greater than sqrt(n).at n=40A369342