Annual appeal: Please make a donation to keep the OEIS running! Over 6000 articles have referenced us, often saying "we discovered this result with the help of the OEIS". Other ways to donate
1,1
Andrew Howroyd, Table of n, a(n) for n = 1..100
All solutions for n=2:
..5....1....2....3....5....4....2....4....6....1....3
..6....2....3....4....6....5....3....5....7....2....4
..5....1....2....5....7....4....4....6....6....3....3
Column 7 of A208727.
Sequence in context: A021011 A000382 A208670 * A192750 A000383 A205540
Adjacent sequences: A208723 A208724 A208725 * A208727 A208728 A208729
nonn
R. H. Hardin, Mar 01 2012
a(13)-a(28) from Andrew Howroyd, Mar 18 2017
approved