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A088921 as a simple table

na(n)
11
22
35
413
533
680
7185
8411
9885
101862
113853
127881
1315993
1432284
1564945
16130359
17261293
18523282
191047397
202095781
214192721
228386792
2316775145
2433552083
2567106213
26134214750
27268432125
28536867201
291073737705
302147479092

[1,2,5,13,33,80,185,411,885,1862,3853,7881,15993,
 32284,64945,130359,261293,523282,1047397,2095781,
 4192721,8386792,16775145,33552083,67106213,
 134214750,268432125,536867201,1073737705,
 2147479092]