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A049344 as a simple table

na(n)
10
21
31
42
53
68
714
839
996
10297
11915
123308
1312417
1451347
15222595
161016975
174799520
1823301779
19115405815
20581071711
212963793396
2215283327150
2379544488072
24417377448058

[0,1,1,2,3,8,14,39,96,297,915,3308,12417,51347,
 222595,1016975,4799520,23301779,115405815,
 581071711,2963793396,15283327150,79544488072,
 417377448058]