6094848

Appears in sequences

• Commuting elements: number of ordered pairs g, h in the group GL(2,Z_n) such that gh = hg.at n=15A070943
• p-INVERT of (1,1,1,1,1,...), where p(S) = (1 - S^2)^3.at n=19A291013
• a(1)= 2. For n > 1, a(n) is the least number k such that k, k - a(n-1) and k + a(n-1) all have n prime divisors counted by multiplicity.at n=17A365852
• Total number of ones in runs of 1's of length >= 4 over all binary strings of length n.at n=21A386250