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A052955 a(2n) = 2*2^n - 1, a(2n+1) = 3*2^n - 1. +0
12
1, 2, 3, 5, 7, 11, 15, 23, 31, 47, 63, 95, 127, 191, 255, 383, 511, 767, 1023, 1535, 2047, 3071, 4095, 6143, 8191, 12287, 16383, 24575, 32767, 49151, 65535, 98303, 131071, 196607, 262143, 393215, 524287, 786431, 1048575, 1572863, 2097151, 3145727 (list; graph; listen)
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Last modified December 5 23:38 EST 2009. Contains 170428 sequences.


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