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A294836 as a simple table

na(n)
01
11
26
321
458
5178
6494
71365
83640
99533
1024401
1161384
12151958
13370335
14890565
152113913
164959199
1711505799
1826420628
1960082005
20135386341
21302448477
22670148898
231473387787
243215519032
256968266907
2614999453058
2732079714584
2868187859040
29144083404856
30302727633735
31632579826174

[1,1,6,21,58,178,494,1365,3640,9533,24401,61384,
 151958,370335,890565,2113913,4959199,11505799,
 26420628,60082005,135386341,302448477,670148898,
 1473387787,3215519032,6968266907,14999453058,
 32079714584,68187859040,144083404856,302727633735,
 632579826174]