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A001994 as a simple table

na(n)
01
11
23
34
48
511
618
724
836
947
1066
1184
12113
13141
14183
15225
16284
17344
18425
19508
20617
21729
22872
231020
241205
251397
261632
271877
282172
292480
302846
313228
323677
334146
344691
355261
365917
376603
387386
398205
409133
4110103
4211195
4312336
4413613
4514947
4616431
4717981
4819697

[1,1,3,4,8,11,18,24,36,47,66,84,113,141,183,225,
 284,344,425,508,617,729,872,1020,1205,1397,1632,
 1877,2172,2480,2846,3228,3677,4146,4691,5261,5917,
 6603,7386,8205,9133,10103,11195,12336,13613,14947,
 16431,17981,19697]