

A106683


Triangle read by rows: row n gives marks on lexicographically earliest nmark optimal Golomb ruler.


4



0, 0, 1, 0, 1, 3, 0, 1, 4, 6, 0, 1, 4, 9, 11, 0, 1, 4, 10, 12, 17, 0, 1, 4, 10, 18, 23, 25, 0, 1, 4, 9, 15, 22, 32, 34, 0, 1, 5, 12, 25, 27, 35, 41, 44, 0, 1, 6, 10, 23, 26, 34, 41, 53, 55, 0, 1, 4, 13, 28, 33, 47, 54, 64, 70, 72, 0, 2, 6, 24, 29, 40, 43, 55, 68, 75, 76, 85, 0, 2, 5, 25, 37, 43, 59, 70, 85, 89, 98, 99, 106
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OFFSET

1,6


COMMENTS

Golomb ruler: Finite set with property that no difference between any two numbers is repeated and largest number is minimized.
See A003022 for further information and additional references.


LINKS

Andrey Zabolotskiy, Rows 1..27, flattened
J. B. Shearer, Golomb ruler table
J. B. Shearer, Table of Known Optimal Golomb Rulers
Eric Weisstein's World of Mathematics, Golomb rulers.
Wikipedia, Golomb ruler
Index entries for sequences related to Golomb rulers


EXAMPLE

Triangle begins:
0;
0, 1;
0, 1, 3;
0, 1, 4, 6;
0, 1, 4, 9, 11;
0, 1, 4, 10, 12, 17; A079283
0, 1, 4, 10, 18, 23, 25; A079287
0, 1, 4, 9, 15, 22, 32, 34; A079423
0, 1, 5, 12, 25, 27, 35, 41, 44; A079425
...


CROSSREFS

Cf. A039953.
Cf. A079283, A079287, A079423, A079426, A079430, A079433, A079434.
Sequence in context: A124323 A250104 A220421 * A139601 A213191 A079520
Adjacent sequences: A106680 A106681 A106682 * A106684 A106685 A106686


KEYWORD

nonn,tabl


AUTHOR

N. J. A. Sloane, Jun 04 2006


EXTENSIONS

Corrected by Andrey Zabolotskiy, Aug 22 2017


STATUS

approved



