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A058335 a(n) = least value such that sequence increases and pairwise differences are unique. 3
1, 4, 5, 10, 12, 22, 35, 49, 64, 84, 100, 122, 141, 169, 225, 271, 295, 338, 399, 465, 547, 579, 670, 745, 816, 917, 993, 1033, 1172, 1258, 1401, 1533, 1644, 1789, 1878, 2106, 2257, 2419, 2571, 2724, 2942, 3006, 3148, 3308, 3475, 3719, 3991, 4272, 4428 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

A variation on A005282 (Mian-Chowla, where positive differences of pairs of elements are unique) by starting with a(1) =1, a(2) = 4.

LINKS

Table of n, a(n) for n=1..49.

CROSSREFS

Cf. A005282, A051788.

Sequence in context: A151735 A050039 A217571 * A222353 A094415 A114517

Adjacent sequences:  A058332 A058333 A058334 * A058336 A058337 A058338

KEYWORD

nonn

AUTHOR

Gerald A. Mischke (Gerald.Mischke(AT)mutualofomaha.com), Dec 13 2000

STATUS

approved

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Last modified November 17 16:08 EST 2019. Contains 329241 sequences. (Running on oeis4.)