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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

Felice Russo, A set of new Smarandache functions, sequences and conjectures in number theory, American Research Press 2000

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..299

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: A228582 A128789 A053316 * A053054 A224903 A008512

Adjacent sequences:  A053050 A053051 A053052 * A053054 A053055 A053056

KEYWORD

easy,base,nonn,less

AUTHOR

Felice Russo, Feb 25 2000

EXTENSIONS

Corrected and extended by Harvey P. Dale, Jul 10 2016

STATUS

approved

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Last modified July 31 02:33 EDT 2021. Contains 346367 sequences. (Running on oeis4.)