A302143 Primes p such that p# + 9 is divisible by the next prime after p.

3, 13, 191, 857

Offset

1,1

Comments

p# is the primorial as defined in A002110.

a(5) > Prime[1.4*10^6] = 22182343.

Links

Table of n, a(n) for n=1..4.

Crossrefs

Cf. A002110, A058233, A300898, A300899, A300900.

Sequence in context: A081299 A117808 A002065 * A087601 A145503 A112093

Adjacent sequences: A302140 A302141 A302142 * A302144 A302145 A302146

Keyword

nonn,more,hard

Author

Robert Price, Apr 02 2018

Status

approved