A110704 Primes of form "n 42's followed by 43".

43, 4243, 424243, 42424243, 4242424243, 4242424242424243, 424242424242424242424242424242424243, 42424242424242424242424242424242424242424242424243

Offset: 1

Author

Ray Chandler, Aug 04 2005

Keywords

• nonn

Comments

Products of first three (77402711107), four (3283751424862167001) and five (13931066652821050218557005243) terms are Zeisel numbers (A051015) with coefficients (100,-57).

Crossrefs

Cf. A110705.

Programs

Mathematica

t = 1; Do[ t = t*100 - 57; If[PrimeQ[t], Print[t]], {n, 0, 24}]