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A033828 Numbers that can be expressed as the product of two 2-digit numbers in at least one way. 1
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

Harvey P. Dale, Table of n, a(n) for n = 1..2621

MATHEMATICA

Times@@@Tuples[Range[10, 99], 2]//Union (* Harvey P. Dale, Jun 14 2017 *)

CROSSREFS

Sequence in context: A135603 A044866 A290948 * A162530 A204590 A115454

Adjacent sequences:  A033825 A033826 A033827 * A033829 A033830 A033831

KEYWORD

nonn,fini

AUTHOR

Jeff Burch

EXTENSIONS

More terms from Harvey P. Dale, Jun 14 2017

STATUS

approved

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Last modified October 14 00:24 EDT 2019. Contains 327990 sequences. (Running on oeis4.)