A063761 Arrange 1-digit numbers in alphabetical order in Italian, then the 2-digit numbers, then the 3-digit numbers, etc.
5, 2, 9, 8, 4, 6, 7, 3, 1, 0, 50, 55, 52, 59, 54, 56, 57, 53, 58, 51, 19, 17, 18, 10, 12, 90, 95, 92, 99, 94, 96, 97, 93, 98, 91, 80, 85, 82, 89, 84, 86, 87, 83, 88, 81, 40, 45, 42, 49, 44, 46, 47, 43, 48, 41, 14, 15, 16, 60, 65, 62, 69, 64, 66, 67, 63, 68, 61, 70, 75, 72, 79, 74, 76, 77, 73, 78, 71, 13, 30, 35, 32, 39, 34, 36, 37, 33, 38, 31, 11, 20, 25, 22, 29, 24, 26, 27, 23, 28, 21
Offset: 0
Examples
5 = cinque, 2 = due, 9 = nove, 8 = otto, ...
Crossrefs
Cf. A000052.
Extensions
Duplicate 99 removed and extended to all 2-digit numbers by Sean A. Irvine, May 12 2023