1,2
Table of n, a(n) for n=1..7.
Cf. A046848.
Sequence in context: A093815 A142859 A056221 * A090530 A154667 A093121
Adjacent sequences: A046846 A046847 A046848 * A046850 A046851 A046852
hard,nonn,changed
Felice Russo
approved