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A229970 as a simple table

na(n)
14
29
325
449
5121
6212
71001
82636
910201
1017161
1122801
1232761
1336481
1497969
15110011
16124609
17139129
18146689
19528529
20573049
21619369
22635209
23844561
24863041
251100011
2610100101
2711000011
28101000101
29106110601
30110000011
31110271001
32112381201
33127938721
34130210921

[4,9,25,49,121,212,1001,2636,10201,17161,22801,
 32761,36481,97969,110011,124609,139129,146689,
 528529,573049,619369,635209,844561,863041,1100011,
 10100101,11000011,101000101,106110601,110000011,
 110271001,112381201,127938721,130210921]