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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A083757 as a simple table

na(n)
15
253
35323
4532313
553231317
65323131719
7532313171911
853231317191131
95323131719113147
105323131719113147109
11532313171911314710989
12532313171911314710989571
1353231317191131471098957153
1453231317191131471098957153271
1553231317191131471098957153271149
1653231317191131471098957153271149151

[5,53,5323,532313,53231317,5323131719,
 532313171911,53231317191131,5323131719113147,
 5323131719113147109,532313171911314710989,
 532313171911314710989571,
 53231317191131471098957153,
 53231317191131471098957153271,
 53231317191131471098957153271149,
 53231317191131471098957153271149151]