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A072037 as a simple table

na(n)
14
28
39
4121
5343
61331
710201
814641
994249
101030301
11104060401
12900075181570009
1310022212521222001
1412124434743442121
1512323244744232321
1612341234943214321
171022321210249420121232201
181210024420147410244200121
191210222232227222322220121

[4,8,9,121,343,1331,10201,14641,94249,1030301,
 104060401,900075181570009,10022212521222001,
 12124434743442121,12323244744232321,
 12341234943214321,1022321210249420121232201,
 1210024420147410244200121,
 1210222232227222322220121]