49807360

Appears in sequences

• a(n) = n*(n+1)*2^(n-2).at n=19A001788
• a(1) = 4; a(n) = smallest composite number greater than the sum of all previous terms.at n=24A070232
• Consider the Post tag system defined in A284116; a(n) = number of binary words of length n which terminate in a cycle.at n=25A289671