[seqfan] Mersenne prime pairs and Fermat prime pairs

[юрий герасимов]

Dear SeqFans,
List of Mersenne prime pairs { 2^m - (2k-1), (2k-1)*2^m - 1} is (ordered by sum of pair): 
(3, 3), (7, 7), (5, 13), (13, 47), (31, 31), (11, 79), (61, 191), (127, 127), (17, 479), (19, 607), (5, 863), (47, 1087), (41, 1471), (251, 1279), (31, 2111), (29, 2239), (41, 2623), (107, 2687), (19, 2879), (11, 3391), (97, 3967), (233, 5887), (1019, 5119), (79, 6271), (73, 7039), (229, 6911), (223, 8447), (59, 8831), ...
List of Fermat prime pairs { 2^m + (2k-1), (2m-1)*2^k + 1} is (ordered by sum of pair): 
(2, 2), (3, 3), (5, 5), (5, 7), (7, 11), (7, 13), (11, 19), (17, 17), (13, 23), (11, 29), (13, 37), (17, 31), ( 13, 41), (17, 43), (23, 43), (17, 53), (19, 61), (17, 73), ( 31, 59), (37, 71), (41, 79), (43, 83), (29, 101), (23, 113), (31, 109), (53, 103), ...
For OEIS ? ?
JSG