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A330362 a(n) is the least number that starts an arithmetic progression of n consecutive lucky numbers. 2
1, 1, 37, 87, 87, 72979 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
COMMENTS
The difference is 6 in the arithmetic progressions that correspond to a(3)-a(6).
Calculated using Hugo van der Sanden's Lucky numbers up to 10^9 (private communication).
a(7) > 999999990, if it exists.
a(7) > 4*10^9, if it exists. - Giovanni Resta, May 10 2020
LINKS
EXAMPLE
a(3) = 37 since {37, 43, 49} = {37, 37 + 6, 37 + 2*6} are the least 3 consecutive lucky numbers in an arithmetic progression.
CROSSREFS
Sequence in context: A044175 A044556 A350003 * A285803 A157043 A246930
KEYWORD
nonn,more
AUTHOR
Amiram Eldar, Dec 12 2019
EXTENSIONS
Name edited by Petros Hadjicostas, Jun 06 2020
STATUS
approved

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Last modified October 1 12:20 EDT 2023. Contains 365826 sequences. (Running on oeis4.)