A095178 Final digit of the (10^n)-th prime.

2, 9, 1, 9, 9, 9, 3, 3, 3, 9, 3, 7, 3, 1, 7, 7, 9, 9, 1, 9, 7, 3, 9, 3, 3

Offset

0,1

Links

Table of n, a(n) for n=0..24.

Formula

a(n) = A010879(A006988(n)).

Prog

(PARI) a(n)=prime(10^n)%10 \\ Charles R Greathouse IV, Dec 29 2012

Crossrefs

Cf. A006988, A010879.

Sequence in context: A152584 A347292 A021778 * A289632 A269919 A178418

Adjacent sequences: A095175 A095176 A095177 * A095179 A095180 A095181

Keyword

nonn,base,hard,more

Author

Cino Hilliard, Jun 21 2004

Extensions

a(19)-a(24) added from the b-file at A006988 by Amiram Eldar, Mar 24 2021

Status

approved