1,1
Table of n, a(n) for n=1..10.
Cf. A031177 (unhappy numbers in base 10)
Sequence in context: A178980 A031315 A077914 * A095953 A084800 A065426
Adjacent sequences: A161871 A161872 A161873 * A161875 A161876 A161877
nonn
Jud McCranie, Jun 20 2009
approved