1,1
First mentioned in the Sequence Fans Mailing List on Oct 10 2013.
Table of n, a(n) for n=1..3.
Sequence in context: A217372 A160299 A232963 * A177188 A125635 A124361
Adjacent sequences: A238116 A238117 A238118 * A238120 A238121 A238122
nonn,more
Juri-Stepan Gerasimov, Oct 10 2013
Corrected by Harvey P. Dale, Oct 10 2013
approved