A087543 a(0) =1, a(1) = 2, a(n) = smallest prime beginning with the sum of two previous terms.

1, 2, 3, 5, 83, 881, 9643, 1052413, 106205609, 10725802207, 1083200781601, 109392658380881, 11047585916248223, 1115697857462910433, 11267454433791586567, 1238315229125449700023, 124958268355924128659089

Offset

0,2

Links

Table of n, a(n) for n=0..16.

Example

a(3) = 3, a(4) = 5,a(5) = 83 is the smallest prime beginning with 3+5 = 8.

Crossrefs

Cf. A087541, A087542, A087544.

Sequence in context: A041131 A394414 A084960 * A124121 A208226 A259378

Adjacent sequences: A087540 A087541 A087542 * A087544 A087545 A087546

Keyword

base,nonn

Author

Amarnath Murthy, Sep 13 2003

Extensions

More terms from Ray Chandler, Sep 23 2003

Status

approved