OK, but you can you *derive* that formula?
Does “look up in OEIS” count as “derive”?
Tim: You, William, David, and others have figured me out. I suppose there are worse habits than repeatedly clicking the "Webcam" button on OEIS.
Decode a simplified barcode
Combined Ages 1 - Symmetric, n = 3
Last non-zero digit
Pick the die most likely to win
Solve an ODE: diffusion problem 1
List the erauqs
Evaluate the zeta function for complex arguments
Solve an ODE: separable equation
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