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A071614 a(n) is the smallest emirp that is the first of n consecutive emirps with equal digit sum. 2
13, 79, 15919, 197837, 3528871, 110539181, 731854429, 9819391129 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
a(9) > 10^11. - Donovan Johnson, Nov 07 2010
LINKS
EXAMPLE
a(3) = 15919, since 15919,15937,15973 are three consecutive emirps with digit sum 25 and this is the first occurrence of three consecutive emirps with equal digit sum.
CROSSREFS
Sequence in context: A032652 A236952 A136373 * A045552 A264381 A339851
KEYWORD
base,more,nonn
AUTHOR
Klaus Brockhaus, May 27 2002
EXTENSIONS
a(7)-a(8) from Donovan Johnson, Nov 07 2010
STATUS
approved

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Last modified March 29 11:14 EDT 2024. Contains 371278 sequences. (Running on oeis4.)