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A005980 as a simple table

na(n)
01
10
22
34
49
516
635
763
8129
9234
10445
11798
121458
132568
144561
157924
1613770
1723584
1840301
1968097
20114646
21191336
22317893
23524396
24861054
251405130
262282651
273688254
285933463

[1,0,2,4,9,16,35,63,129,234,445,798,1458,2568,
 4561,7924,13770,23584,40301,68097,114646,191336,
 317893,524396,861054,1405130,2282651,3688254,
 5933463]