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A067823 Start with 2 and concatenate ("absorb") the next prime; continually repeat this procedure. 3
2, 23, 2329, 23292333, 2329233323292337, 23292333232923372329233323292391, 2329233323292337232923332329239123292333232923372329233323292583 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
The next prime after 2 is 3, so 23 follows 2 in the sequence. The next prime after 23 is 29, so 2329 comes after 23 in the sequence.
MATHEMATICA
NextPrim[n_] := Block[{k = n + 1}, While[ !PrimeQ[k], k++ ]; k]; f[n_] := ToExpression[ ToString[n] <> ToString[ NextPrim[n]]]; NestList[f, 2, 7]
CROSSREFS
Sequence in context: A082963 A083759 A240563 * A114794 A090509 A069151
KEYWORD
easy,nonn,base
AUTHOR
Joseph L. Pe, Feb 07 2002
EXTENSIONS
Edited and extended by Robert G. Wilson v, Feb 10 2002
STATUS
approved

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Last modified July 18 17:21 EDT 2024. Contains 374388 sequences. (Running on oeis4.)