What if zero was a must i.e. 10 digit numbers?
Jer's answer is correct, matching a comment in the OEIS. I had neglected to consider that in a pandigital number, the absence of zero from position 1 makes zero more likely than other digits at each of the other positions.
blackjack
<a href="http://c.casalemedia.com/c?s=51816&f=3&id=0" target="_blank"><img src="http://as.casalemedia.com/s?s=51816&u=http://perplexus.info&f=3&id=0&if=0" width="120" height="600" border="0"></a>
flooble's webmaster puzzle
re: solutions where I went wrong
