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A134794 Concatenation of next n composite numbers. 0
4, 68, 91012, 14151618, 2021222425, 262728303233, 34353638394042, 4445464849505152, 545556575860626364, 65666869707274757677, 7880818284858687889091 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..11.

CROSSREFS

Cf. A053067, A133013. Composite numbers: A002808.

Sequence in context: A012484 A174809 A125587 * A248027 A093852 A065573

Adjacent sequences:  A134791 A134792 A134793 * A134795 A134796 A134797

KEYWORD

base,easy,nonn

AUTHOR

Omar E. Pol, Nov 26 2007

STATUS

approved

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Last modified April 19 00:18 EDT 2021. Contains 343098 sequences. (Running on oeis4.)