A102152 - OEIS

%I #17 Dec 26 2022 12:15:30

%S 2,7,13,167,1843406868619,567512739603223,

%T 1125599723626314594798370059933052227890281327798090340341843

%N Iccanobirt primes (2 of 15): Prime numbers in A102112.

%C Next term is too large to include.

%C The next term (a(8)) has 394 digits. The term after that (a(9)) has 1063 digits, and a(10) has 2599 digits. - _Harvey P. Dale_, Dec 26 2022

%F a(n) = A102112(A102132(n)).

%t nxt[{a_,b_,c_}]:={b,c,a+FromDigits[Reverse[IntegerDigits[b]]]+c};Select[NestList[nxt,{0,0,1},200][[All,1]],PrimeQ] (* _Harvey P. Dale_, Dec 26 2022 *)

%Y Cf. A000040, A102112, A102151-A102165.

%K nonn,base

%O 1,1

%A _Jonathan Vos Post_ and _Ray Chandler_, Dec 31 2004

%E Offset changed to 1 by _Jinyuan Wang_, Aug 08 2021