A077674 Squarefree numbers with nonzero squarefree digits (2,3,5,6,7).

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

Author

Amarnath Murthy, Nov 16 2002

Keywords

• base
• nonn

Comments

Here 1 is not considered a squarefree number.

Extensions

Corrected and extended by David Garber, Nov 19 2002