A321998 Numbers that cannot be written using eight 8's and operations +, -, * and/or /. Complement of A258069.

91, 93, 101, 107, 109, 115, 141, 147, 149, 155, 157, 163, 166, 173, 174, 178, 179, 205, 206, 210, 211, 214, 218, 221, 222, 223, 226, 227, 229, 230, 231, 233, 234, 235, 236, 237, 243, 245, 251, 261, 267, 269, 275, 276, 277, 278, 279, 281, 282, 283, 285, 286, 287, 290, 291

Offset

1,1

Comments

A258069 contains all nonnegative integers up to 90, which motivates to list the complement, even though A258069 is finite and its complement, this sequence, contains all integers above 2359296 except for 4194304 and 16777216. (These are the last three terms of A258069.)

Links

Table of n, a(n) for n=1..55.

Crossrefs

Cf. A258069 (complement), A171826, A171827, A171828, A171829, A258068, A258070, A258071 (analog for 3, ..., 10).

Cf. A182002, A258097.

Sequence in context: A043820 A077685 A129822 * A351624 A020318 A126134

Adjacent sequences: A321995 A321996 A321997 * A321999 A322000 A322001

Keyword

nonn

Author

M. F. Hasler, Nov 23 2018

Status

approved