85149
domain: N
Appears in sequences
- a(n) is the number of permutations of length n that avoid the pattern 321 and the mesh pattern (12, 106) or the same sequence for the mesh patterns (12, 122), (12, 142), (12, 158), (12, 172), (12, 188), (12, 226), (12, 242).at n=13A289453
- Starts of runs of 3 consecutive integers that are Wythoff-Niven numbers (A364006).at n=16A364008