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A120823 Primes with n consecutive digits ascending beginning with the digit five. +0
10
1, 29, 269, 689 (list; graph; listen)
OFFSET

1,2

COMMENT

Digits are in ascending order beginning with 5 and after 9 comes 0.

The sequence "Primes with n consecutive digits descending beginning with the digit five" has only one term, 1 which represents the prime 5.

EXAMPLE

29 is a term since 56789012345678901234567890123 is a prime.

MATHEMATICA

fQ[n_] := PrimeQ@ FromDigits@ Mod[4+Range@n, 10]; lst = {}; Do[ If[fQ@n, AppendTo[lst, n]; Print@n], {n, 9000}]; lst

CROSSREFS

Cf. A006055, A120819, A120820, A120821, A120822, A120824, A120825, A120826, A120827.

Adjacent sequences: A120820 A120821 A120822 this_sequence A120824 A120825 A120826

Sequence in context: A027939 A142683 A042634 this_sequence A110692 A081684 A142033

KEYWORD

base,bref,hard,nonn

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com), Jul 05 2006

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.


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