2775641472
domain: N
Appears in sequences
- Tetranacci numbers: a(n) = a(n-1) + a(n-2) + a(n-3) + a(n-4) for n >= 4 with a(0) = a(1) = a(2) = 0 and a(3) = 1.at n=37A000078
- Number of ways to reciprocally link elements of an n X 2 array either to themselves or to exactly one horizontal, vertical or antidiagonal neighbor.at n=16A220547
- Inverse Moebius transform of tetranacci number (A000078).at n=36A357239
- a(n) is the smallest tetranacci number (A000078) with exactly n prime factors (counted with multiplicity).at n=12A359877