1,2
Diagonal of A320402.
Table of n, a(n) for n=1..10.
Some solutions for n=5:
0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0
0 0 0 1 1 1 1 1 1 1 0 0 1 1 0 1 1 1 1 0
1 0 0 1 0 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1
1 0 1 1 0 1 0 1 0 0 1 1 1 0 0 0 0 0 0 1
1 0 1 1 1 0 1 1 1 1 0 0 1 0 0 0 0 1 1 0
Cf. A320402.
Sequence in context: A305763 A180357 A317112 * A112464 A227875 A235383
Adjacent sequences: A320393 A320394 A320395 * A320397 A320398 A320399
nonn,more
R. H. Hardin, Oct 12 2018
approved