A081101 Element numbers of first 92 chemical elements sorted with respect to covalent radius.

1, 10, 9, 8, 7, 6, 5, 4, 2, 18, 17, 16, 15, 14, 36, 35, 28, 34, 27, 29, 26, 25, 13, 24, 33, 32, 3, 30, 45, 44, 31, 76, 77, 43, 46, 75, 78, 42, 74, 54, 53, 47, 79, 23, 41, 73, 52, 12, 51, 50, 92, 86, 49, 72, 85, 22, 40, 84, 83, 82, 48, 81, 80, 11, 71, 69, 68, 67, 66, 65, 64, 21, 39, 62, 61, 60, 59, 58, 90, 57, 70, 63, 20, 38, 56, 19, 37, 89, 55, 88, 87