816256

Appears in sequences

• Sum along upward diagonal of Pascal triangle up to (but not including) halfway point.at n=32A010755
• Triangle read by rows: T(n,k) = (-1)^(n-k) * r16(n-k) * 2^(3*b(k)) * sigma_3(O(k)), for k=1 to n, for n>=1 (see comments for terms used).at n=23A193354