A146972 Twin primes in A046704

3, 5, 7, 41, 43, 137, 139, 191, 193, 197, 199, 227, 229, 281, 283, 311, 313, 461, 463, 599, 601, 641, 643, 821, 823, 827, 829, 881, 883, 1031, 1033, 1091, 1093, 1277, 1279, 1301, 1303, 1451, 1453, 1721, 1723, 1871, 1873, 2027, 2029, 2081, 2083, 2087, 2089

Offset

1,1

Links

Table of n, a(n) for n=1..49.

Example

137 and 139 are twin primes. The sum of their digits are 11 and 13 respectively, which are also twin primes.

Crossrefs

A046704

Sequence in context: A339900 A130536 A261511 * A102742 A363965 A089044

Adjacent sequences: A146969 A146970 A146971 * A146973 A146974 A146975

Keyword

nonn,base

Author

Dmitry Kamenetsky, Nov 03 2008

Status

approved