41441

Appears in sequences

• Strong pseudoprimes to base 8.at n=20A020234
• Strong pseudoprimes to base 67.at n=19A020293
• Strong pseudoprimes to base 99.at n=26A020325
• Numbers k such that the continued fraction for sqrt(k) has period 93.at n=32A020432
• Number of ways to place zero or more nonadjacent 0,0 1,0 2,1 2,2 3,0 3,1 4,2 5,2 polyhexes in any orientation on a planar nXnXn triangular grid.at n=8A155406
• Numbers k with the property that the square root of the product of the digits of k is equal to the sum of the square roots of its digits.at n=32A281745
• Composite numbers k coprime to 13 such that k divides A006190(k-Kronecker(13,k)).at n=33A327653
• Composite numbers k coprime to 13 such that k divides A006190(k) - Kronecker(13,k).at n=35A327654
• Intersection of A327653 and A327654.at n=13A327655
• Odd composite integers m such that A006497(m) == 3 (mod m).at n=38A335669
• 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=27A337626