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A360191 as a simple table

na(n)
01
15
218
355
4149
5371
6867
71923
84086
98374
1016634
1132152
1260669
13112041
14202943
15361200
16632647
171091917
181859225
193126242
205195715
218541624
2213899866
2322404091
2435787815
2556683294
2689061028
27138872410
28214984454
29330532633
30504869316
31766357010
321156355165

[1,5,18,55,149,371,867,1923,4086,8374,16634,32152,
 60669,112041,202943,361200,632647,1091917,1859225,
 3126242,5195715,8541624,13899866,22404091,
 35787815,56683294,89061028,138872410,214984454,
 330532633,504869316,766357010,1156355165]