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A149343 as a simple table

na(n)
01
11
24
312
441
5156
6616
72395
89791
941089
10171762
11727439
123144822
1313642362
1459321761
15260946859
161155680832
175123803967
1822833022929
19102400459379
20460260024518
212073172012199
229379133327209
2342558419134854
24193388260313188
25881001386618136
264024811098167125
2718415926134123861

[1,1,4,12,41,156,616,2395,9791,41089,171762,
 727439,3144822,13642362,59321761,260946859,
 1155680832,5123803967,22833022929,102400459379,
 460260024518,2073172012199,9379133327209,
 42558419134854,193388260313188,881001386618136,
 4024811098167125,18415926134123861]