1,1

Table of n, a(n) for n=1..27.

Subsequence of A003814.

Sequence in context: A207298 A236668 A194777 * A010083 A235968 A195468

Adjacent sequences: A031668 A031669 A031670 * A031672 A031673 A031674

nonn

David W. Wilson

First term 6890 removed by Georg Fischer, Jun 16 2019

approved