58257

Appears in sequences

• Alternating sum transform (PSumSIGN) of A000975.at n=16A034299
• a(n) = 3*A131090(n) - A131090(n+1).at n=19A135261
• Partial sums of A007583.at n=8A160156
• Row sums of triangle defined in A120853.at n=8A160965
• Number of Dyck paths of semilength n, having no ascents and no descents of length 1, and having no peaks at odd level.at n=21A167635
• a(n) is the number of permutations of length n that avoid the pattern 321 and the mesh pattern (12, 285) or the same sequence for the mesh patterns (12, 339), (12, 369), (12, 405).at n=11A289609