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A077674
Squarefree numbers with nonzero squarefree digits (2,3,5,6,7).
2
2, 3, 5, 6, 7, 22, 23, 26, 33, 35, 37, 53, 55, 57, 62, 65, 66, 67, 73, 77, 222, 223, 226, 227, 233, 235, 237, 253, 255, 257, 262, 263, 265, 266, 267, 273, 277, 322, 323, 326, 327, 335, 337, 353, 355, 357, 362, 365, 366, 367, 373, 377, 523, 526, 527, 533, 535
OFFSET
1,1
COMMENTS
Here 1 is not considered a squarefree number.
CROSSREFS
Sequence in context: A002229 A299158 A146747 * A343742 A357263 A067077
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Nov 16 2002
EXTENSIONS
Corrected and extended by David Garber, Nov 19 2002
STATUS
approved