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A001046 as a simple table

na(n)
01
11
22
37
444
5447
66749
7142176
83987677
9143698548
106470422337
11356016927083
1223503587609815
131833635850492653
14166884365982441238
1517524692064006822643
162103129932046801158398
17286043195450428964364771
1843766712033847678348968361

[1,1,2,7,44,447,6749,142176,3987677,143698548,
 6470422337,356016927083,23503587609815,
 1833635850492653,166884365982441238,
 17524692064006822643,2103129932046801158398,
 286043195450428964364771,
 43766712033847678348968361]