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

1,1

Comments

Here 1 is not considered a squarefree number.

Links

Table of n, a(n) for n=1..57.

Crossrefs

Sequence in context: A002229 A299158 A146747 * A343742 A357263 A067077

Adjacent sequences: A077671 A077672 A077673 * A077675 A077676 A077677

Keyword

base,nonn

Author

Amarnath Murthy, Nov 16 2002

Extensions

Corrected and extended by David Garber, Nov 19 2002

Status

approved