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 A120820 Primes with n consecutive digits ascending beginning with the digit two. 8
 1, 2, 8, 82, 118, 158, 2122, 2242, 2388 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Digits are in ascending order beginning with 2 and after 9 comes 0. The sequence "Primes with n consecutive digits descending beginning with the digit two" has only one term, 1 which represents the prime 2. LINKS Table of n, a(n) for n=1..9. EXAMPLE 8 is a term since 23456789 is a prime. MATHEMATICA fQ[n_] := PrimeQ@ FromDigits@ Mod[1+Range@n, 10]; lst = {}; Do[ If[fQ@n, AppendTo[lst, n]; Print@n], {n, 10000}]; lst CROSSREFS Cf. A006055, A120819, A120821, A120822, A120823, A120824, A120825, A120826, A120827. Sequence in context: A134086 A297566 A013175 * A295600 A336252 A276488 Adjacent sequences: A120817 A120818 A120819 * A120821 A120822 A120823 KEYWORD base,hard,nonn AUTHOR Robert G. Wilson v, Jul 05 2006 STATUS approved

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Last modified April 17 21:22 EDT 2024. Contains 371767 sequences. (Running on oeis4.)