[seqfan] Product of run lengths in binary representation of n

Andrew Weimholt andrew.weimholt at gmail.com
Wed Nov 4 09:48:07 CET 2009


Product of run lengths in binary representation of n (starting at n=0)

1, 1, 1, 2, 2, 1, 2, 3, 3, 2, 1, 2, 4, 2, 3, 4, 4, 3, 2, 4, 2, 1, 2,
3, 6, 4, 2, 4, 6, 3, 4, 5,
5, 4, 3, 6, 4, 2, 4, 6, 3, 2, 1, 2, 4, 2, 3, 4, 8, 6, 4, 8, 4, 2, 4,
6, 9, 6, 3, 6, 8, 4, 5, 6,
6, 5, 4, 8, 6, 3, 6, 9, 6, 4, 2, 4, 8, 4, 6, 8, 4, 3, 2, 4, 2, 1, 2,
3, 6, 4, 2, 4, 6, 3, 4, 5,
10, 8, 6, 12, 8, 4, 8, 12, 6, 4, 2, 4, 8, 4, 6, 8, 12, 9, 6, 12, 6, 3,
6, 9, 12, 8, 4, 8, 10, 5, 6, 7,

Smallest number with with run length product = n (starting at n=1)

0, 3, 7, 12, 31, 24, 127, 48, 56, 96, 2047, 99, 8191, 384, 224, 195,
131071, 199, 524287, 387, 896, 6144, 8388607, 391, 992, 24576, 455,
1539,

Andrew




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