OFFSET
1,1
LINKS
Carlos Rivera, Puzzle 1075: A conjecture about twin primes, The Prime Puzzles and Problems Connection.
EXAMPLE
11 is the fourth twin prime, i.e., A001097(4). 18 is the minimal average of a twin prime pair, i.e., (17,19), where 18*11=198 is the average of the twin prime pair (197,199). So, a(4)=18.
CROSSREFS
KEYWORD
nonn
AUTHOR
Ivan N. Ianakiev, Feb 16 2022
EXTENSIONS
More terms from Jinyuan Wang, Feb 16 2022
STATUS
approved