A097902 Multiplication table of the digits of pi read by antidiagonals.

9, 3, 3, 12, 1, 12, 3, 4, 4, 3, 15, 1, 16, 1, 15, 27, 5, 4, 4, 5, 27, 6, 9, 20, 1, 20, 9, 6, 18, 2, 36, 5, 5, 36, 2, 18, 15, 6, 8, 9, 25, 9, 8, 6, 15, 9, 5, 24, 2, 45, 45, 2, 24, 5, 9, 15, 3, 20, 6, 10, 81, 10, 6, 20, 3, 15, 24, 5, 12, 5, 30, 18, 18, 30, 5, 12, 5, 24, 27, 8, 20, 3, 25, 54, 4