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A071363 Largest n-digit prime with strictly increasing digits. 6
7, 89, 569, 5689, 34679, 345689, 1456789, 23456789 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Notice the terms with consecutive digits; search for 23456789 to find several related sequences including A006055, A052017 and A052077.
LINKS
EXAMPLE
a(1) = A052015(4), a(2) = A052015(15), a(3) = A052015(35), a(4) = A052015(61), ... In short, a(n) = A052015(b(n)) with b = (4, 15, 35, 61, 81, 94, 98, 100). - M. F. Hasler, May 03 2017
PROG
(PARI) A071363(n, u=vectorv(n, i, 10^(n-i)))={forvec(d=vector(n, i, [1, 9]), isprime(d*u)&&n=d*u, 2); n} \\ M. F. Hasler, May 03 2017
CROSSREFS
Subsequence of A052015.
Sequence in context: A301925 A036902 A142204 * A174616 A089394 A068692
KEYWORD
base,fini,full,nonn
AUTHOR
Rick L. Shepherd, May 21 2002
STATUS
approved

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Last modified April 23 06:04 EDT 2024. Contains 371906 sequences. (Running on oeis4.)