A152277 Number of 5's among the digits of all n-digit primes.

1, 2, 30, 327, 3456, 35095, 357105, 3619716, 36527939, 367918469, 3700831147, 37186789514, 373373251387, 3746568191964

Offset

1,2

Links

Table of n, a(n) for n=1..14.

Crossrefs

Cf. A130817, A152272, A152273, A152274, A152275, A152276, A152278, A152279, A152280, A152281.

Sequence in context: A245020 A277660 A089433 * A230610 A231597 A216119

Adjacent sequences: A152274 A152275 A152276 * A152278 A152279 A152280

Keyword

base,nonn

Author

Jon E. Schoenfield, Dec 01 2008

Extensions

a(12)-a(14) from Giovanni Resta, Jul 20 2015

Status

approved