%I #3 Dec 05 2013 21:46:41
%S 1,5,46,497,5746,68948,846889,10570001
%N Main diagonal of array P(i,j) mentioned in A064642.
%Y Cf. A064642, A064641.
%K nonn,more
%O 0,2
%A _N. J. A. Sloane_, Dec 05 2013
