A80435

[David Wilson]

There is also a question of how many even elements occur in A080435 (Ralf Stephan's version).
I am undecided as to whether the number of even elements should be finite or infinite.  At any
rate, up to 100000, the even elements of A080435 are

2 8 14 20 50 98 140 200 212 296 338 842 1388 1514 2540 2870 29598
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