Sturdy numbers: n such that in binary notation k*n has at least as many 1-bits as n for all k>0.
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 30, 31, 32, 33, 34, 35
3 seqfan posts
Mon Dec 21 03:18:32 CET 2009 [seqfan] Re: Sturdy and flimsy numbers.
Sun Dec 20 19:51:32 CET 2009 [seqfan] Re: Sturdy and flimsy numbers.
Sun Dec 20 18:57:27 CET 2009 [seqfan] Sturdy and flimsy numbers.
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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