Currently A007508| A152052 lists the Twins|Cousins counts <10^15.
I just finished generating the Twins|Cousins counts|last values < 10^16.
Took 119 - 120 hrs (~5 days) w/ AMD Ryzen 9 7945HX, 16C|32T, @ 5.46 GHz.
Range | 10^16
Twins Sequence A007508 | 10 304 195 697 298 | 9 999 999 999 999 643|-2
Cousins Sequence A152052 | 10 304 191 320 777 | 9 999 999 999 997 031|-4
Diff % | 0.000042
Used Rust (1.95) version of my Twins|Cousins Segmented Sieve of Zakiya (SSoZ).