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A002836 as a simple table

na(n)
01
10
22
35
412
524
656
7113
8248
9503
101043
112080
124169
138145
1415897
1530545
1658402
17110461
18207802
19387561
20718875
211324038
222425473
234416193
247999516
2514411507
2625837198
2746092306
2881851250
29144691532
30254682865
31446399687
32779302305

[1,0,2,5,12,24,56,113,248,503,1043,2080,4169,8145,
 15897,30545,58402,110461,207802,387561,718875,
 1324038,2425473,4416193,7999516,14411507,25837198,
 46092306,81851250,144691532,254682865,446399687,
 779302305]