|
| |
| |
|
|
|
90, 126, 198, 234, 270, 300, 306, 342, 350, 378, 414, 522, 525, 550, 558, 588, 594, 650, 666, 702, 738, 774, 810, 825, 846, 850, 918, 950, 954, 975, 980, 1026, 1062, 1078, 1098, 1134, 1150, 1206, 1242, 1274, 1275, 1278, 1314, 1422, 1425, 1450, 1452, 1494
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
COMMENTS
| All terms shown have exactly 3 distinct prime factors. a(101) = 2940 =2^2*3*5*7^2 is the first member with more than 3. a(107) = 3072 = 2^10*3 is the first member with less than 3.
|
|
|
EXAMPLE
| 90 = 2^1*3^2*5^1 is a member because the concatenation of the exponents is 121.
|
|
|
CROSSREFS
| Sequence in context: A025371 A025362 A114826 * A125010 A048705 A119895
Adjacent sequences: A103650 A103651 A103652 * A103654 A103655 A103656
|
|
|
KEYWORD
| base,easy,nonn,less
|
|
|
AUTHOR
| David Wasserman (wasserma(AT)spawar.navy.mil), Feb 11 2005
|
| |
|
|