91187

Appears in sequences

• Number of Dyck n-paths all of whose ascents and descents have lengths equal to 1 (mod 6).at n=31A212365
• Intersection of A327653 and A327654.at n=21A327655
• Odd composite integers m such that U(m)^2 == 1 (mod m) and V(m) == 3 (mod m), where U(m) and V(m) are the m-th generalized Lucas and Pell-Lucas numbers of parameters a=3 and b=-1, respectively.at n=39A337626