A263205 Start of a string of exactly 8 consecutive (but disjoint) pairs of twin primes.

1107819732821, 3735283249697, 4588646146631, 6340698579419, 8412649748537, 9206359843907, 9667145661911, 10261787848841, 10877306469737, 13792968231041, 17231043159311, 18996369140627, 21471510972419, 21791129807147, 23105869316669, 23224938371519

Offset

1,1

Links

Tomáš Brada, Table of n, a(n) for n = 1..10000 (first 167 terms from Dmitry Petukhov)

Example

Starting from 1107819732769 = A151799(A151799(1107819732821)), the gaps between the next primes are (40, 12, 2, 88, 2, 4, 2, 28, 2, 10, 2, 16, 2, 58, 2, 22, 2, 24, 16) with 8 occurrences of 2, so 1107819732821 is a term. - Michel Marcus, Oct 16 2015

Crossrefs

Cf. A001359, A035789, A035790, A035791, A035792, A035793, A035794, A035795, A087641.

Sequence in context: A287251 A165987 A139573 * A095428 A227893 A233842

Adjacent sequences: A263202 A263203 A263204 * A263206 A263207 A263208

Keyword

nonn

Author

Dmitry Petukhov, Oct 12 2015

Status

approved