Quote:
Apart from the first term, primes such that a Goldbach partition with a pair of them, will lead to a Goldbach partition for the next even number in their sums Collatz chain.

I was told to blog this in PM. Examples:
6=3+3 >10=5+5; 10=3+7>16=5+11 did have a rough 21 digit example, but may have to find it again.
Quote:
Example: 100000000000000008947+ 100000000000000008899 =200000000000000017846
>150000000000000013349+150000000000000013421 =300000000000000026770
