A342857 Numbers at the start of a run of exactly 6 consecutive primes that are Sophie Germain primes.

445480319, 3812345891, 12731998901, 21112623809, 21940883231, 25417094141, 31265241653, 40883876339, 43544996441, 44651801423, 64430478071, 69256678481, 74631982499, 78736338179, 90482391893, 90781711913, 95980006883, 103438510943, 106584478079, 109816239899

Offset

1,1

Links

Table of n, a(n) for n=1..20.

Crossrefs

Cf. A005384, (Sophie Germain primes), A128825, A338700, A339474, A339475, A339476, A339477, A339478.

Sequence in context: A022260 A209210 A047989 * A340925 A280001 A096556

Adjacent sequences: A342854 A342855 A342856 * A342858 A342859 A342860

Keyword

nonn

Author

Jon E. Schoenfield, Apr 25 2021

Status

approved