|
| |
|
|
A119585
|
|
Triangle where n-th row is (1,2,3,...n) arranged first by number of divisors and then numerically (among those integers with the same number of divisors).
|
|
0
| |
|
|
1, 1, 2, 1, 2, 3, 1, 2, 3, 4, 1, 2, 3, 5, 4, 1, 2, 3, 5, 4, 6, 1, 2, 3, 5, 7, 4, 6, 1, 2, 3, 5, 7, 4, 6, 8, 1, 2, 3, 5, 7, 4, 9, 6, 8, 1, 2, 3, 5, 7, 4, 9, 6, 8, 10, 1, 2, 3, 5, 7, 11, 4, 9, 6, 8, 10, 1, 2, 3, 5, 7, 11, 4, 9, 6, 8, 10, 12, 1, 2, 3, 5, 7, 11, 13, 4, 9, 6, 8, 10, 12
(list; table; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,3
|
|
|
EXAMPLE
| Looking at the 9th row, we want to arrange (1,2,3,4,5,6,7,8,9). 1 has 1 divisor.
(2,3,5,7) each have 2 divisors. (4,9) each have 3 divisors. (6,8) each have 4 divisors. So the 9th row is (1)(2,3,5,7)(4,9)(6,8).
|
|
|
CROSSREFS
| Sequence in context: A066041 A194965 A194896 * A195097 A181845 A183534
Adjacent sequences: A119582 A119583 A119584 * A119586 A119587 A119588
|
|
|
KEYWORD
| nonn,tabl
|
|
|
AUTHOR
| Leroy Quet May 31 2006
|
| |
|
|
