A072448 Squares of the terms of the decimal expansion of Pi.

9, 1, 16, 1, 25, 81, 4, 36, 25, 9, 25, 64, 81, 49, 81, 9, 4, 9, 64, 16, 36, 4, 36, 16, 9, 9, 64, 9, 4, 49, 81, 25, 0, 4, 64, 64, 16, 1, 81, 49, 1, 36, 81, 9, 81, 81, 9, 49, 25, 1, 0, 25, 64, 4, 0, 81, 49, 16, 81, 16, 16, 25, 81, 4, 9, 0, 49, 64, 1, 36, 16, 0, 36, 4, 64, 36, 4, 0, 64, 81