A124364 - OEIS

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A124364

Largest prime < 10000*a[n-1], a[1]=2.

%I #4 Nov 07 2020 17:02:44

%S 2,19997,199969967,1999699669993,19996996699929961,

%T 199969966999299609907,1999699669992996099069973,

%U 19996996699929960990699729941,199969966999299609906997299409939

%N Largest prime < 10000*a[n-1], a[1]=2.

%t NestList[NextPrime[10000#,-1]&,2,10] (* _Harvey P. Dale_, Nov 07 2020 *)

%Y Cf. A006902, A040016, A120031-A120041.

%K nonn

%O 1,1

%A _Artur Jasinski_, Dec 16 2006