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A256238 Number of primes in A256237 less than 10^n. 4
0, 1, 6, 68, 847, 7963, 81327 (list; graph; refs; listen; history; text; internal format)
OFFSET
3,3
COMMENTS
Up to 10^9, primes congruent to 2 or 3 mod 5 appear in A256237 more often (42358 such primes) than primes congruent to 1 or 4 mod 5 (38969 such primes). Why?
LINKS
Table of n, a(n) for n=3..9.
CROSSREFS
Cf. A254248, A255816, A255971, A256164, A256237.
Sequence in context: A128869 A186669 A258134 * A359714 A370938 A349557
Adjacent sequences: A256235 A256236 A256237 * A256239 A256240 A256241
KEYWORD
nonn,more
AUTHOR
Arkadiusz Wesolowski, Mar 20 2015
STATUS
approved

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Last modified May 29 00:29 EDT 2024. Contains 372921 sequences. (Running on oeis4.)