login
a(n) = least k such that A047988(k) = n.
2

%I #9 Dec 19 2015 13:17:08

%S 2,3,19,173,3976733

%N a(n) = least k such that A047988(k) = n.

%C Values calculated by Thomas Kantke (bytes.more(AT)ibm.net).

%K nonn,more

%O 0,1

%A _Christian G. Bower_, May 15 1999

%E Definition corrected by _R. J. Mathar_, Jun 26 2007