OFFSET
0,2
COMMENTS
LINKS
Hans Havermann, Table of n, a(n) for n = 0..440
EXAMPLE
There is 1 terms of A114440 that requires no steps to reach 1: {1}. So a(0) = 1.
There are 8 terms of A114440 that require one step to reach 1: {2,3,4,5,6,7,8,9}. So a(1) = 8.
There are 14 terms of A114440 that require two steps to reach 1: {12,18,21,24,27,36,42,45,48,54,63,72,81,84}. So a(2) = 14.
...
There are 4 terms of A114440 that require 440 steps to reach 1, so a(440) = 4. There are no terms that require more than 440 steps to reach 1.
CROSSREFS
KEYWORD
nonn,base,fini,full
AUTHOR
Hans Havermann, Jan 21 2014
STATUS
approved