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A020590
Smallest nonempty set S containing prime divisors of 4k+5 for each k in S.
0
3, 7, 11, 17, 73
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OFFSET
1,1
LINKS
Table of n, a(n) for n=1..5.
CROSSREFS
Sequence in context:
A045421
A072456
A138659
*
A373631
A063437
A363359
Adjacent sequences:
A020587
A020588
A020589
*
A020591
A020592
A020593
KEYWORD
nonn
,
fini
,
full
AUTHOR
David W. Wilson
STATUS
approved
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Last modified September 16 12:57 EDT 2024. Contains 375976 sequences. (Running on oeis4.)