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A125118 as a simple table

na(n)
11
23
34
47
513
621
715
840
985
10156
1131
12121
13341
14781
151555
1663
17364
181365
193906
209331
2119608
22127
231093
245461
2519531
2655987
27137257
28299593
29255
303280
3121845
3297656
33335923
34960800
352396745
365380840
37511
389841
3987381
40488281
412015539
426725601
4319173961
4448427561
45111111111

[1,3,4,7,13,21,15,40,85,156,31,121,341,781,1555,
 63,364,1365,3906,9331,19608,127,1093,5461,19531,
 55987,137257,299593,255,3280,21845,97656,335923,
 960800,2396745,5380840,511,9841,87381,488281,
 2015539,6725601,19173961,48427561,111111111]