1,1
Cf. A049514, A049515, A049516, A049518, A049519, A049520, A049521, A049522, A049523.
Adjacent sequences: A084069 A084070 A084071 this_sequence A084073 A084074 A084075
Sequence in context: A049516 A049517 A121321 this_sequence A049534 A054468 A139674
dead
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