4630511616

Appears in sequences

• a(n) = 2^n*binomial(n,2).at n=24A100381
• a(n) is the least k such that A161606(k) = n or a(n) = -1 if no such k exists.at n=28A385677
• Total number of ones in runs of 1's of length >= 4 over all binary strings of length n.at n=30A386250
• Smallest integer k whose sum of its distinct prime factors and bigomega(k) both equal n; or -1 if no such integer exists.at n=26A386605