238483

Appears in sequences

• Number of 3 X 3 integer matrices with elements in the range [ -n,n ] which generate a group of order two under binary matrix multiplication.at n=26A054466
• Number of bridged bicyclic skeletons with n carbon atoms (see Parks et al. for precise definition).at n=13A121331
• a(n) is the least term of A359260 whose number of divisors is n.at n=11A359261