A102157 Iccanobirt primes (7 of 15): Prime numbers in A102117.

2, 7, 13, 87517, 2891668030768721, 70625274624238913, 103865292721379353050549556815505213549, 8541928234907492663056090579782886424256601

Offset: 1

Author

Jonathan Vos Post and Ray Chandler, Dec 31 2004

Keywords

• nonn
• base
• less

Comments

Next term is too large to include.

The next term has 231 digits. - Harvey P. Dale, Dec 16 2021

Crossrefs

Cf. A000040, A102117, A102151-A102165.

Programs

Mathematica

nxt[{a_,b_,c_}]:={b,c,Total[IntegerReverse/@{a,b,c}]};Select[NestList[nxt,{0,0,1},200][[All,1]],PrimeQ] (* Harvey P. Dale, Dec 16 2021 *)

Formula

a(n) = A102117(A102137(n)).

Extensions

Offset changed to 1 by Jinyuan Wang, Aug 12 2021