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Use same rules as A047988. Sequence gives smallest numbers which require n steps to reach 2.
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%I #9 Feb 11 2023 22:26:50

%S 3,5,7,14,38,172,823,6185,87223,1940494

%N Use same rules as A047988. Sequence gives smallest numbers which require n steps to reach 2.

%C Some values calculated by Joseph Devincentis.

%C a(11) > 5000000. - _David Wasserman_, Jun 21 2002

%H Erich Friedman, <a href="https://erich-friedman.github.io/mathmagic/0501.html">Math. Magic</a>

%Y Cf. A047984.

%K nonn,more

%O 1,1

%A _Jason Earls_, Jun 09 2001

%E More terms from _David Wasserman_, Jun 21 2002