A087541 a(0) = 1, a(1) = 2, a(n) = smallest prime beginning with the product of two previous terms.

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

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