122491

Appears in sequences

• a(n) = least semiprime with factors not previously used containing integers 2n and 2n+1 as substrings.at n=17A086887
• Product of the n-th sexy prime pair.at n=37A111192
• Sequence of pairwise relatively prime numbers of class P_4 (see comment in A275246).at n=34A275248
• Triangle read by rows: T(n,w) is the number of n-step self avoiding walks on a 3D cubic lattice confined between two infinite horizontal planes a distance 2w apart and an orthogonal plane on the y-z axes, where the walk starts at the middle point between the planes on the y-z plane.at n=29A338127