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A109936 Composite numbers between largest n-digit prime and the smallest (n+1) digit prime. 1
8, 9, 10, 98, 99, 100, 998, 999, 1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 9974, 9975, 9976, 9977, 9978, 9979, 9980, 9981, 9982, 9983, 9984, 9985, 9986, 9987, 9988, 9989, 9990, 9991, 9992, 9993, 9994, 9995, 9996, 9997, 9998, 9999, 10000 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
Flatten[Table[Range[NextPrime[10^n, -1]+1, NextPrime[10^n]-1], {n, 5}]] (* Harvey P. Dale, Nov 03 2011 *)
CROSSREFS
Sequence in context: A363760 A048000 A048081 * A114460 A120201 A188056
KEYWORD
base,easy,nonn
AUTHOR
Amarnath Murthy, Jul 19 2005
STATUS
approved

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Last modified February 26 02:01 EST 2024. Contains 370335 sequences. (Running on oeis4.)