出題1
f(1) から順に
1, 7, 22, 28, 13, 23, 29, 19, 25, 10, 4, 14, 24, 9, 3, 18, 8, 2, 12,
6, 21, 27, 17, 11, 5, 15, 30, 20, 26, 16, 31, 37, 52, 58, 43, 53, 59,
49, 55, 40, 34, 44, 54, 39, 33, 48, 38, 32, 42, 36, 51, 57, 47, 41,
35, 45, 60, 50, 56, 46, 61, 67, 82, 88, 73, 83, 89, 79, 85, 70, 64,
74, 84, 69, 63, 78, 68, 62, 72, 66, 81, 87, 77, 71, 65, 75, 90, 80,
86, 76, 91, ...