A058335 a(n) = least value such that sequence increases and pairwise differences are unique.

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

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: A050039 A217571 A376653 * 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