References to A163280

Square array read by antidiagonals where the column k lists the numbers n such that their largest divisor <= sqrt(n) equals k.
1, 2, 4, 3, 6, 9, 5, 8, 12, 16, 7, 10, 15, 20, 25, 11, 14, 18, 24, 30, 36, 13, 22, 21, 28, 35


3 seqfan posts

Sun Aug 1 04:08:38 CEST 2010    [seqfan] Re: Number of n-digit numbers the binary expansion of which contains k runs of 1's
Sat Jul 31 12:15:01 CEST 2010    [seqfan] Re: Number of n-digit numbers the binary expansion of which contains k runs of 1's
Fri Jul 30 23:00:15 CEST 2010    [seqfan] Re: Number of n-digit numbers the binary expansion of which contains k runs of 1's

Index of A-numbers in seqfan: by ascending order    by month    by frequency    by keyword
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