A087541 - OEIS

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A087541

a(0) = 1, a(1) = 2, a(n) = smallest prime beginning with the product of two previous terms.

3

1, 2, 2, 41, 821, 336613, 27635927321, 930261240330377311, 2570863202731362139530341383157, 239157439169260320267578367174418692375943035082711

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

OFFSET

0,2

LINKS

Table of n, a(n) for n=0..9.

EXAMPLE

a(1)=2, a(2)=2, a(3)=41 is the smallest prime beginning with 2*2 = 4.

CROSSREFS

Cf. A087542, A087543, A087544.

Sequence in context: A210246 A116567 A215049 * A153434 A152016 A264516

Adjacent sequences: A087538 A087539 A087540 * A087542 A087543 A087544

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, Sep 13 2003

EXTENSIONS

Corrected and extended by Ray Chandler, Sep 23 2003

STATUS

approved