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A068827 a(1) = 2; for n>1, a(n) = the smallest prime > a(n-1) such that each successive digit in the concatenation of terms is greater than the previous digit, or if the previous digit = 9, than any digit except 0 or 9 may follow. 1
2, 3, 5, 7, 89, 127, 919, 1237, 8923, 8929, 8969, 12347, 89123, 89137, 89189, 89237, 89269, 89293, 89393, 89459, 89491, 89567, 89591, 89597, 89689, 89797, 89891, 89897, 91237, 91249, 123457, 891239, 891349, 891379, 891389, 891391 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Zak Seidov, Table of n,a(n) for n=1..1001

R. J. Mathar, Maple program

Hugo van Sanden, Perl program

CROSSREFS

Sequence in context: A264576 A070275 A171042 * A076406 A171050 A092909

Adjacent sequences:  A068824 A068825 A068826 * A068828 A068829 A068830

KEYWORD

nonn,base

AUTHOR

Amarnath Murthy, Mar 08 2002

EXTENSIONS

Edited by Larry Reeves (larryr(AT)acm.org), Jan 13 2003

Corrected and extended by Franklin T. Adams-Watters, R. J. Mathar, Zak Seidov and Hugo van der Sanden, May 12 2010.

STATUS

approved

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Last modified March 29 13:17 EDT 2017. Contains 284270 sequences.