1390724

Appears in sequences

• Numbers k such that k divides the (k+1)st Lucas number.at n=19A094397
• Even composite integers m such that U(m)^2 == 1 (mod m) and V(m) == 3 (mod m), where U(m)=A001906(m) and V(m)=A005248(m) are the m-th generalized Lucas and Pell-Lucas numbers of parameters a=3 and b=1, respectively.at n=33A337777