

A083015


a(n) = the number of ordered pairs of nbit bit strings, such that both bit strings have at least n/2 onebits, or both have at most n/2 onebits.


0



1, 2, 14, 32, 206, 512, 3128, 8192, 48238, 131072, 750584, 2097152, 11746424, 33554432, 184558304, 536870912, 2908113518, 8589934592, 45923227448, 137438953472, 726419131576, 2199023255552, 11506072128224, 35184372088832
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