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A033828 Numbers that can be expressed as the product of two 2-digit numbers in at least one way. 2
100, 110, 120, 121, 130, 132, 140, 143, 144, 150, 154, 156, 160, 165, 168, 169, 170, 176, 180, 182, 187, 190, 192, 195, 196, 198, 200, 204, 208, 209, 210, 216, 220, 221, 224, 225, 228, 230, 231, 234, 238, 240, 242, 247, 250, 252, 253, 255, 256, 260, 264, 266 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Last term is 9801 = 99*99.
There are 2,621 terms in the sequence, all of which are in the b-file. - Harvey P. Dale, Jun 14 2017
LINKS
MATHEMATICA
Times@@@Tuples[Range[10, 99], 2]//Union (* Harvey P. Dale, Jun 14 2017 *)
CROSSREFS
Sequence in context: A135603 A044866 A290948 * A348139 A162530 A204590
KEYWORD
nonn,fini,full
AUTHOR
EXTENSIONS
More terms from Harvey P. Dale, Jun 14 2017
STATUS
approved

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)