References to A082375

Triangular array read by rows: n-th row begins with n and decreases by 2 until 0 or 1 is reached.
0, 1, 2, 0, 3, 1, 4, 2, 0, 5, 3, 1, 6, 4, 2, 0, 7, 5, 3, 1, 8, 6, 4, 2, 0, 9, 7, 5, 3, 1, 10, 8, 6, 4

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