A152588 - OEIS

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A152588

15^(2^n) + 2.

1

17, 227, 50627, 2562890627, 6568408355712890627, 43143988327398919500410556793212890627, 1861403728794734215467410604755702820123364205073812627233564853668212890627

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

OFFSET

0,1

LINKS

Table of n, a(n) for n=0..6.

FORMULA

a(n) = A175138(n+3)+2. - R. J. Mathar, Sep 10 2016

PROG

(PARI) g(a, n) = if(a%2, b=2, b=1); for(x=0, n, y=a^(2^x)+b; print1(y", "))

CROSSREFS

Sequence in context: A078946 A164600 A187636 * A152589 A163853 A142547

Adjacent sequences: A152585 A152586 A152587 * A152589 A152590 A152591

KEYWORD

nonn

AUTHOR

Cino Hilliard, Dec 08 2008

STATUS

approved