A324022 Zeroless "magic" numbers.
1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 14, 16, 18, 22, 24, 26, 28, 32, 34, 36, 38, 42, 44, 46, 48, 52, 54, 56, 58, 62, 64, 66, 68, 72, 74, 76, 78, 82, 84, 86, 88, 92, 94, 96, 98, 123, 126, 129, 141, 144, 147, 162, 165, 168, 183, 186, 189, 222, 225, 228, 243, 246, 249, 261, 264, 267, 282, 285
Offset: 1
Examples
98 = 2 * 49, 987 = 3 * 329, 9876 = 4 * 2469, 98765 = 5 * 19753, 987654 = 6 * 164609, 9876545 = 7 * 1410935, 98765456 = 8 * 12345682, 987654564 = 9 * 109739396. So 987654564 is a term.
Links
- Seiichi Manyama, Table of n, a(n) for n = 1..2157
- Wikipedia, Polydivisible number
Comments