A275892 a(n) = A275890(n) - A275891(n).

1, 2, 3, 2, 1, 2, 3, 4, 5, 4, 3, 4, 3, 4, 3, 4, 5, 6, 7, 6, 5, 6, 7, 8, 9, 8, 7, 8, 7, 8, 7, 8, 9, 8, 9, 10, 11, 10, 11, 10, 11, 10, 9, 10, 11, 12, 13, 14, 13, 12, 13, 14, 15, 14, 15, 14, 15, 14, 13, 14, 15, 16, 17, 16, 17, 18, 17, 18, 17, 18, 17, 18, 19, 20, 19, 20, 19, 18, 19, 18, 19, 20, 21, 22, 21

Offset: 1

Author

N. J. A. Sloane, Aug 21 2016

Keywords

• nonn

Comments

Tells how many more points in A065188 are below the diagonal than are above the diagonal.

Crossrefs

Cf. A065188, A275890, A275891.