1,2

Table of n, a(n) for n=1..21.

Cf. A290386, A290387.

Sequence in context: A327453 A289791 A290386 * A302504 A165307 A081549

Adjacent sequences: A290385 A290386 A290387 * A290389 A290390 A290391

nonn,base,fini,full

Enrique Navarrete, Jul 28 2017

approved