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A250664 as a simple table

na(n)
01
11
21
31
41
51
61
710
821
934
1049
1166
1285
13106
14256
15535
16985
171654
182596
193871
205545
219391
2216956
2330589
2453481
2589851
26145152
27226297
28364656
29610062
301045297
311799392
323065145
335121255
348359876
3513624960
3622431292
3737434945
3863098713
39106641142
40179356873

[1,1,1,1,1,1,1,10,21,34,49,66,85,106,256,535,985,
 1654,2596,3871,5545,9391,16956,30589,53481,89851,
 145152,226297,364656,610062,1045297,1799392,
 3065145,5121255,8359876,13624960,22431292,
 37434945,63098713,106641142,179356873]