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Merges with A064413 after 3 steps.
Peter Kagey, Table of n, a(n) for n = 1..10000
For other initial terms, see A064413, A169837, A169841, A169843, A169845, A169847, A169849, A169851, A169853, A169855.
Sequence in context: A257885 A257908 A097467 * A275845 A209877 A273667
Adjacent sequences: A169836 A169837 A169838 * A169840 A169841 A169842
T. D. Noe and N. J. A. Sloane, Jun 02 2010