A130446 Integers in [1, 425] expressible as a difference of the terms of the unique optimal Golomb ruler of order 24. See A130444.

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72

Offset

1,2

Comments

This sequence has exactly 276 entries. The union of A130445 with this gives 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..276

Example

a[5]-a[4] = 1. No other difference from the sequence gives 1.
a[10]-a[9] = 2. No other difference from the sequence gives 2.
a[5]-a[3] = 5. No other difference from the sequence gives 5.

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}; Sort[(A130444[[ #[[1]]]] - A130444[[ #[[2]]]]) & /@ Select[Tuples[Range[24], 2], #[[1]] > #[[2]] &]]

Crossrefs

Cf. A130444: Main entry. A130445: Integers in [1, 425] not expressible as a difference from A130444.

Sequence in context: A028310 A097045 A118760 * A132086 A136602 A173474

Adjacent sequences: A130443 A130444 A130445 * A130447 A130448 A130449

Keyword

fini,nonn

Author

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

Status

approved