A087542 a(0) = 1, a(1) = 3, a(n) = smallest prime beginning with the product of two previous terms.

1, 3, 3, 97, 2917, 2829493, 825363108107, 23353591368469997519, 19275192757341204633460418786533027, 45014497520343896793289997535704043520848244930156001377

Offset

0,2

Links

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

Example

a(1)=3, a(2)=3,a(3) = 97 is the smallest prime beginning with 3*3 = 9.

Crossrefs

Cf. A087541, A087543, A087544.

Sequence in context: A024189 A217542 A007451 * A016456 A010266 A215560

Adjacent sequences: A087539 A087540 A087541 * A087543 A087544 A087545

Keyword

base,nonn

Author

Amarnath Murthy, Sep 13 2003

Extensions

Corrected and extended by Ray Chandler, Sep 23 2003

Status

approved