1,1
Union of A030514 and A054753; A080256(a(n)) = 5.
81=3*3*3*3 and 50=2*5*5 are a terms.
Cf. A007964, A058080, A001221, A001222, A006881, A030078.
Sequence in context: A058080 A119911 A064499 this_sequence A054290 A107308 A051518
Adjacent sequences: A080255 A080256 A080257 this_sequence A080259 A080260 A080261
nonn
Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Feb 10 2003
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