A124752 Inverse of number triangle A124749.
1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 2, 2, 2, 2, 1, 0, 0, 0, 3, 3, 3, 3, 2, 1, 0, 0, 0, 4, 4, 4, 4, 3, 2, 1, 0, 0, 0, 9, 9, 9, 9, 7, 5, 3, 1
Offset: 0
Examples
Triangle begins 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 2, 2, 2, 2, 1, 0, 0, 0, 3, 3, 3, 3, 2, 1, 0, 0, 0, 4, 4, 4, 4, 3, 2, 1, 0, 0, 0, 9, 9, 9, 9, 7, 5, 3, 1
Crossrefs
Cf. A124747.
Comments