A103653 Members of A085924 that are not members of A072774.

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

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.

Links

Table of n, a(n) for n=1..48.

Example

90 = 2^1*3^2*5^1 is a member because the concatenation of the exponents is 121.

Crossrefs

Sequence in context: A253385 A379093 A332831 * A332642 A352231 A249553

Adjacent sequences: A103650 A103651 A103652 * A103654 A103655 A103656

Keyword

base,easy,nonn,less

Author

David Wasserman, Feb 11 2005

Status

approved