1,3
The total number is 21846.
Contribution from Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 25 2010: (Start)
a(1) = A178334(9) = 1;
a(2) = A178334(99) - A178334(9) = 1 - 1 = 0;
a(3) = A178334(999) - A178334(99) = 9 - 1 = 8;
a(4) = A178334(9999) - A178334(999) = 65 - 9 = 56. (End)
Sequence in context: A118772 A168013 A003210 * A068552 A034006 A162754
Adjacent sequences: A135414 A135415 A135416 * A135418 A135419 A135420
base,nonn,fini,full
Suggested by Jonathan Vos Post, Nov 24 2007 and computed by Hans Havermann and Joshua Zucker, Nov 25 2007