A102152 Iccanobirt primes (2 of 15): Prime numbers in A102112.

2, 7, 13, 167, 1843406868619, 567512739603223, 1125599723626314594798370059933052227890281327798090340341843

Offset

1,1

Comments

Next term is too large to include.

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

Links

Table of n, a(n) for n=1..7.

Formula

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

Mathematica

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 *)

Crossrefs

Cf. A000040, A102112, A102151-A102165.

Sequence in context: A106912 A099629 A092836 * A102156 A102151 A102157

Adjacent sequences: A102149 A102150 A102151 * A102153 A102154 A102155

Keyword

nonn,base

Author

Jonathan Vos Post and Ray Chandler, Dec 31 2004

Extensions

Offset changed to 1 by Jinyuan Wang, Aug 08 2021

Status

approved