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A245161 as a simple table

na(n)
11
21
32
44
59
623
765
8199
9654
102296
118569
1233825
13140581
14612933
152795181
1613298407
1765851100
18338654554
191805083341
209952373825
2156645932971
22332111798479
232000990363889
2412357518954759
2578010845456554
26501994699807228

[1,1,2,4,9,23,65,199,654,2296,8569,33825,140581,
 612933,2795181,13298407,65851100,338654554,
 1805083341,9952373825,56645932971,332111798479,
 2000990363889,12357518954759,78010845456554,
 501994699807228]