299915
domain: N
Appears in sequences
- a(n) = a(n-1) + a(n-4) with a(0) = 0, a(1) = a(2) = a(3) = 1.at n=42A003269
- Expansion of (1-x)/(1-x-x^4).at n=45A017898
- a(n) is its own 4th difference.at n=10A055989
- Sum C(n-3k,k-1), k=0..floor(n/4).at n=44A099561
- INVERT transform of A027656: (1, 0, 2, 0, 3, 0, 4, 0, 5, ...).at n=20A158943
- Number of compositions (ordered partitions) of n into squares not greater than sqrt(n).at n=41A369342