1,1
Intersection of A104357 and A000040.
Cf. A104372, A104373, A055490, A057705.
Adjacent sequences: A104361 A104362 A104363 this_sequence A104365 A104366 A104367
Sequence in context: A104358 A104359 A104357 this_sequence A057824 A057822 A095150
nonn
Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Mar 06 2005
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