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 A130445 Integers in the range [1, 425] not expressible as a difference of the unique optimal Golomb ruler of order 24. See A130444. 3
 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 (list; graph; refs; listen; history; text; internal format)
 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

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Last modified August 9 22:24 EDT 2020. Contains 336326 sequences. (Running on oeis4.)