2073943

Appears in sequences

• a(n) = a(n-1) + a(n-4) with a(0) = 0, a(1) = a(2) = a(3) = 1.at n=48A003269
• a(n) is its own 4th difference.at n=11A055991
• INVERT transform of A027656: (1, 0, 2, 0, 3, 0, 4, 0, 5, ...).at n=23A158943