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A031885
Lucky numbers with smallest increasing gaps (upper terms).
1
3, 7, 21, 87, 151, 63, 801, 511, 189, 957, 925, 769, 2877, 1639, 1087, 3843, 5803, 4929, 8757, 10723, 9883, 24117, 9613, 28293, 25737, 3559, 26997, 35799, 44863, 52039, 64785, 23269, 50845, 51543, 264145, 155905, 238131, 178831, 143389, 400671, 223177, 181665
OFFSET
1,1
CROSSREFS
Sequence in context: A173794 A049365 A288849 * A259202 A169981 A191294
KEYWORD
nonn
EXTENSIONS
a(27) corrected and more terms from Sean A. Irvine, May 03 2020
STATUS
approved