A130445 Integers in the range [1, 425] not expressible as a difference of the unique optimal Golomb ruler of order 24. See A130444.

128, 137, 150, 159, 161, 165, 166, 169, 178, 183, 185, 187, 188, 194, 200, 202, 206, 207, 209, 218, 221, 222, 223, 225, 227, 230, 233, 236, 237, 238, 247, 250, 254, 257, 258, 259, 260, 264, 265, 266, 267, 268, 270, 272, 275, 276, 279, 280, 282, 284, 290

Offset

1,1

Comments

This sequence has exactly 149 entries. The union of this with A130446 yields all integers in the range [1,425].

Links

Joseph Biberstine (jrbibers(AT)indiana.edu), May 26 2007, Table of n, a(n) for n = 1..149

Example

128 is a member of this sequence between there do not exist integers 1 <= i < j <= 425 such that A130444[j]-A130444[i] = 128.

Mathematica

A130444 = {0, 9, 33, 37, 38, 97, 122, 129, 140, 142, 152, 191, 205, 208, 252, 278, 286, 326, 332, 353, 368, 384, 403, 425}; Complement[Range[Last[A130444]], Sort[(A130444[[ #[[1]]]] - A130444[[ #[[2]]]]) & /@ Select[Tuples[Range[24], 2], #[[1]] > #[[2]] &]]]

Crossrefs

Cf. A130444: Main entry. A130446: Integers in [1, 425] expressible as a difference from A130444.

Sequence in context: A223591 A097758 A257446 * A114565 A243812 A194766

Adjacent sequences: A130442 A130443 A130444 * A130446 A130447 A130448

Keyword

fini,nonn

Author

Joseph Biberstine (jrbibers(AT)indiana.edu), May 26 2007

Status

approved