1,1
Table of n, a(n) for n=1..5.
Cf. A139253, A161412, A161423.
Sequence in context: A040107 A254670 A348900 * A215319 A191044 A344948
Adjacent sequences: A161411 A161412 A161413 * A161415 A161416 A161417
more,nonn
Omar E. Pol, Jun 10 2009
approved