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A025590 as a simple table

na(n)
01
12
210
344
4156
5572
62086
77254
823842
976764
10234456
11690902
121912462
135115272
1412643292
1530128464
1665353058
17136831514
18256926694
19466887564
20749958636
211169595430
221586374020
232094918528
242360469300
252592155202
262368114810

[1,2,10,44,156,572,2086,7254,23842,76764,234456,
 690902,1912462,5115272,12643292,30128464,65353058,
 136831514,256926694,466887564,749958636,
 1169595430,1586374020,2094918528,2360469300,
 2592155202,2368114810]