A078915 - OEIS

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A078915

Primes in A071827.

0

71, 131071, 19131071, 2319131071, 443231282319131071

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

OFFSET

1,1

REFERENCES

Shyam Sunder Gupta, Smarandache Sequence of Happy Numbers, Smarandache Notions Journal, Vol. 13, 2002).

LINKS

Table of n, a(n) for n=1..5.

EXAMPLE

a(1)=71 because in A071827 71 is the first prime.

CROSSREFS

Sequence in context: A243686 A131454 A099684 * A144242 A144360 A350005

Adjacent sequences: A078912 A078913 A078914 * A078916 A078917 A078918

KEYWORD

nonn

AUTHOR

Shyam Sunder Gupta, Jan 11 2003

EXTENSIONS

Next three terms in the sequence have 72, 857 and 1309 digits respectively.

STATUS

approved