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Union of A056730 and A116692. [Arkadiusz Wesolowski, Sep 13 2011]
Table of n, a(n) for n=1..43.
Sequence in context: A002385 A069217 A083139 * A083712 A082806 A157868
Adjacent sequences: A088559 A088560 A088561 * A088563 A088564 A088565
Amarnath Murthy, Nov 28 2003
More terms from Arkadiusz Wesolowski, Sep 13 2011