A255430 Natural numbers n, not multiples of 10, such that n and n^2 lack the digit 1 in their decimal expansions.

2, 3, 5, 6, 7, 8, 22, 23, 24, 25, 26, 27, 28, 45, 47, 48, 52, 53, 55, 57, 58, 62, 63, 64, 65, 66, 67, 68, 73, 74, 75, 76, 77, 78, 82, 83, 84, 85, 86, 87, 88, 92, 93, 94, 95, 97, 98, 202, 205, 206, 207, 208, 222, 223, 225, 232, 233, 234, 235, 236, 238, 242, 243, 244, 245, 252, 253, 255

Offset

1,1

Comments

No trailing zeros allowed.

Links

Table of n, a(n) for n=1..68.

Crossrefs

Cf. A000027, A052383, A067251, A255398.

Sequence in context: A153781 A255398 A050025 * A074492 A059307 A357961

Adjacent sequences: A255427 A255428 A255429 * A255431 A255432 A255433

Keyword

nonn,base

Author

Zak Seidov, Feb 23 2015

Status

approved