Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).
N. J. A. Sloane, 2178 and all that, paper in preparation, June 2013.
N. J. A. Sloane, <a href="http://NeilSloane.com/doc/selma.pdf">2178 And All That</a>
approved
editing
editing
approved
Anne Ludington Young, <a href="http://www.fq.math.ca/30-2.html">k-Reverse multiples</a>, Fib. Q., 30 (1992), 126-132.
Anne Ludington Young, <a href="http://www.fq.math.ca/30-2.html">k-Reverse multiples</a>, Fib. Q., 30 (1992), 126-132.
approved
editing
editing
approved
N. J. A. Sloane, <a href="/A222819/b222819.txt">Table of n, a(n) for n = 2..100</a>
approved
editing
editing
approved
0, 1, 1, 2, 2, 2, 4, 3, 2, 5, 4, 3, 6, 6, 3, 7, 5, 7, 7, 6, 5, 10, 10, 5, 7, 8, 5, 12, 11, 9, 12, 5, 8, 13, 9, 8, 12, 16, 8, 14, 11, 12, 16, 12, 10, 19, 15, 11, 111, 9, 10, 19, 18, 17, 18, 13, 9, 23, 14, 15, 21, 19, 14, 19, 12, 18, 16, 19, 17, 26, 17, 11, 20, 16, 15, 21, 13, 26, 24, 13
For a complete list of references and links related to this problem see A214927.
N. J. A. Sloane, 2178 and all that, paper in preparation, June 2013.
approved
editing
editing
approved
0, 1, 1, 2, 2, 2, 4, 3, 2, 5, 4, 3, 6, 6, 3, 7, 5, 7, 7, 6, 5, 10, 10, 5, 7, 8, 5, 12, 11, 9, 12, 5, 8, 13, 9, 8, 12, 16, 8, 14, 11, 12, 16, 12, 10, 19, 15, 11, 1
approved
editing
editing
approved