Phi(1, n!) = n! - 1
Phi(2, n!) = n! + 1
Phi(3, n!) = n!² + n! + 1
Phi(4, n!) = n!² + 1
Phi(5, n!) = n!⁴ + n!³ + n!² + n! + 1
Phi(6, n!) = n!² - n! + 1
Phi(7, n!) = n!⁶ + n!⁵ + n!⁴ + n!³ + n!² + n! + 1
Phi(8, n!) = n!⁴ + 1
Phi(9, n!) = n!⁶ + n!³ + 1
Phi(10, n!) = n!⁴ - n!³ + n!² - n! + 1
Phi(11, n!) = n!¹⁰ + n!⁹ + ... + n!² + n! + 1
Phi(12, n!) = n!⁴ - n!² + 1
Phi(13, n!) = n!¹² + n!¹¹ + ... + n!² + n! + 1
Phi(14, n!) = n!⁶ - n!⁵ + n!⁴ - n!³ + n!² - n! + 1
Phi(15, n!) = n!⁸ - n!⁷ + n!⁵ - n!⁴ + n!³ - n! + 1
Phi(16, n!) = n!⁸ + 1
Phi(17, n!) = n!¹⁶ + n!¹⁵ + ... + n!² + n! + 1
Phi(18, n!) = n!⁶ - n!³ + 1
Phi(19, n!) = n!¹⁸ + n!¹⁷ + ... + n!² + n! + 1
Phi(20, n!) = n!⁸ - n!⁶ + n!⁴ - n!² + 1
Phi(21, n!) = n!¹² - n!¹¹ + n!⁹ - n!⁸ + n!⁶ - n!⁴ + n!³ - n! + 1
Phi(22, n!) = n!¹⁰ - n!⁹ + ... + n!² - n! + 1
Phi(23, n!) = n!²² + n!²¹ + ... + n!² + n! + 1
Phi(24, n!) = n!⁸ - n!⁴ + 1