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A053053
Append n-th prime to previous term, reverse alternate terms.
1
2, 32, 235, 7532, 235711, 13117532, 2357111317, 191713117532, 23571113171923, 2923191713117532, 235711131719232931, 37312923191713117532, 2357111317192329313741, 434137312923191713117532, 23571113171923293137414347, 5347434137312923191713117532
OFFSET
1,1
REFERENCES
Felice Russo, A set of new Smarandache functions, sequences and conjectures in number theory, American Research Press 2000
LINKS
MATHEMATICA
Module[{nn=20, prs}, prs=Prime[Range[nn]]; Table[FromDigits[ Flatten[ IntegerDigits /@ If[EvenQ[n], Reverse[Take[prs, n]], Take[prs, n]]]], {n, nn}]] (* Harvey P. Dale, Jul 10 2016 *)
CROSSREFS
Sequence in context: A128789 A356345 A053316 * A053054 A224903 A008512
KEYWORD
easy,base,nonn,less
AUTHOR
Felice Russo, Feb 25 2000
EXTENSIONS
Corrected and extended by Harvey P. Dale, Jul 10 2016
STATUS
approved