A225683 Numbers divisible by their first digit squared.

1, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 24, 28, 36, 48, 50, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150

Offset: 1

Author

N. J. A. Sloane, May 19 2013

Keywords

• nonn
• base

Comments

Added for completeness. A221651 is a much more interesting version.

Crossrefs

Cf. A221651.