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A131322 as a simple table

na(n)
01
11
23
35
412
523
651
7103
8221
9456
10965
112009
124227
138833
1418540
1538803
1681363
17170399
18357145
19748176
201567849
213284833
226883059
2314421533
2430218028
2563314735
26132664227
27277968871
28582428789
291220356440
302557009709

[1,1,3,5,12,23,51,103,221,456,965,2009,4227,8833,
 18540,38803,81363,170399,357145,748176,1567849,
 3284833,6883059,14421533,30218028,63314735,
 132664227,277968871,582428789,1220356440,
 2557009709]