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A002995 as a simple table

na(n)
01
11
21
31
42
53
66
714
834
995
10280
11854
122694
138714
1428640
1595640
16323396
171105335
183813798
1913269146
2046509358
21164107650
22582538732
232079165208
247457847082
2526873059986
2697239032056
27353218528324
281287658723550
294709785569184

[1,1,1,1,2,3,6,14,34,95,280,854,2694,8714,28640,
 95640,323396,1105335,3813798,13269146,46509358,
 164107650,582538732,2079165208,7457847082,
 26873059986,97239032056,353218528324,
 1287658723550,4709785569184]