Today's puzzle

[sinjun]

Since I posted yesterday's earlier, here's the one on my calendar for today:

Find the number that best completes the sequence below.

1 4 16 ? 256

Comments

[wibbble]

64

[proudsky.livejournal.com]

64

(Solved before I saw Wibble's response)

[insaint.livejournal.com]

64.

Hmph. Why are all the numerical puzzles ridiculously easy while language ones take a bit of an effort? The calendar is biased, I tell ya. :)

[eustacio.livejournal.com]

64

[flashfire.livejournal.com]

64. That's supposed to be a challenge? ;-)

All it is is the previous number multipled by 4. :-)