157422

Appears in sequences

• a(n) = a(n-1) + a(n-4) with a(0) = 0, a(1) = a(2) = a(3) = 1.at n=40A003269
• Expansion of (1-x)/(1-x-x^4).at n=43A017898
• a(n) is its own 4th difference.at n=9A055991
• A trisection of 1/(1-x-x^4).at n=13A099234
• Sum C(n-3k,k-1), k=0..floor(n/4).at n=42A099561
• INVERT transform of A027656: (1, 0, 2, 0, 3, 0, 4, 0, 5, ...).at n=19A158943
• Number of compositions (ordered partitions) of n into squares not greater than sqrt(n).at n=39A369342