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A146972 Twin primes in A046704 0
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 (list; graph; refs; listen; history; text; internal format)
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: A163797 A130536 A261511 * A102742 A089044 A117646

Adjacent sequences:  A146969 A146970 A146971 * A146973 A146974 A146975

KEYWORD

nonn,base

AUTHOR

Dmitry Kamenetsky, Nov 03 2008

STATUS

approved

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Last modified September 21 13:20 EDT 2020. Contains 337272 sequences. (Running on oeis4.)