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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, 36997, 35799, 44863, 52039, 64785, 23269, 50845, 51543 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..34.

CROSSREFS

Cf. A000959, A031884.

Sequence in context: A173794 A049365 A288849 * A259202 A169981 A191294

Adjacent sequences:  A031882 A031883 A031884 * A031886 A031887 A031888

KEYWORD

nonn

AUTHOR

Patrick De Geest

STATUS

approved

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Last modified November 19 16:10 EST 2017. Contains 294936 sequences.